FAQ

A: Wenzhou Jiankun Connectors Co., Ltd., established in 2013, has been in operation for 13 years. We are a modern, state-level high-tech enterprise specializing in the integrated R&D, design, manufacturing, and sales of connectors. Our core product portfolio includes automotive connectors, new energy connectors, electronic connectors, LED lighting connectors, as well as electrical and automotive wire harnesses.

A: Our production base spans a total floor area of ​​53,000 square meters. It is a comprehensive manufacturing hub that integrates modern production workshops, an R&D center, precision testing laboratories, and warehousing/logistics zones - designed to simultaneously meet the dual demands of large-scale automated production and sophisticated R&D.
In terms of personnel, the company currently employs a total of 500 staff members, including a core R&D team of 65 individuals, accounting for 13% of our total workforce. This professional R&D team has spearheaded the development and implementation of 126 patented technologies for the company, providing critical technical support for the iterative advancement and customized development of products such as automotive and electronic connectors. Furthermore, our frontline production staff works in highly efficient coordination with 1,050 pieces of specialized manufacturing equipment (including high-speed stamping machines, injection molding machines, automated assembly machines, etc.). This synergy enables us to achieve a scaled delivery capacity of 500 million units per month, thereby ensuring a stable supply for our leading domestic and international clients.

A: Yes, we possess a robust, in-house R&D team capable of providing core technical support for both product iteration and client-specific customization requirements.
Currently, our R&D team consists of 65 members - a professional technical force comprising structural engineers, materials engineers, and electrical engineers. This team has led the development and implementation of a cumulative total of 126 patented technologies for the company, covering core domains such as structural design, materials optimization, and performance enhancement for automotive and electronic connectors. In our day-to-day operations, our R&D team maintains deep integration with both our production and market-facing divisions. On one hand, we leverage our manufacturing process capabilities to optimize product manufacturability; on the other, we respond to the customized requirements of leading domestic and international clients by developing highly reliable connector solutions tailored for applications such as new energy vehicles and smart electronics. This ensures that our product technology remains consistently at the forefront of the industry.
This robust R&D capability enables us to not only reliably supply standard products but also to rapidly respond to unique client requirements, offering end-to-end solutions ranging from initial design to mass production.

A: Yes, we have extensive experience collaborating with globally renowned brands.
Through our mature supply chain network, Kenkun's products have successfully entered the supply chains of leading brands across various sectors, including automotive, consumer electronics, and lighting.
Our collaboration channels extend beyond direct sourcing by major brands to include partnerships with industry distributors and supply chain intermediaries. Leveraging our stable production capacity, rigorous quality control systems, and customized service capabilities, we have established long-term, stable supply chain partnerships with numerous world-class brands.
Years of experience working with major brands have allowed us to accumulate rich expertise in areas such as quality control, delivery efficiency, and technical adaptability. This enables us to fully meet the high procurement standards of leading brands across diverse sectors, while also providing the impetus for the continuous optimization of our production and service systems, allowing us to better align with the specific collaboration requirements of various brand clients.

A: Yes, we are fully compliant with all local environmental regulations.
Our company has obtained the GB/T 24001-2016 / ISO 14001:2015 Environmental Management System certification. This certification standard aligns closely with local environmental regulatory requirements in China, and its scope covers the design, production, and related management activities of electronic connectors.
This certification demonstrates that:
Our production and business operations strictly adhere to national and local environmental laws and standards;
We possess standardized environmental management capabilities that allow us to effectively control the environmental impact of our production processes;
Our relevant management systems remain continuously compliant with environmental regulations and are subject to oversight and auditing by authoritative bodies.

A: We fully support both OEM (Original Equipment Manufacturing) and ODM (Original Design Manufacturing) services. We are equipped to handle customization requirements for a wide range of automotive connectors, electronic connectors, LED connectors, and custom wire harnesses, catering to the unique branding and production specifications of diverse clients.
For OEM projects, we can precisely match your brand identity requirements - handling tasks such as product marking and custom packaging - while maintaining production standards identical to our own proprietary products, with strict control over quality and manufacturing processes. For ODM projects, we can undertake the exclusive R&D, prototyping, and mass production of products based on the technical drawings, specifications, or functional requirements you provide, leveraging our professional R&D and production teams to bring your vision to life efficiently.
A dedicated specialist is assigned to manage your customization requirements throughout the entire process - from solution confirmation and prototyping to mass production - ensuring seamless coordination across every stage. Supported by a stable monthly production capacity of 500 million units, we guarantee the timely and high-quality delivery of your custom orders.

A: Absolutely. We are fully capable of undertaking customized production based on your technical drawings or physical prototypes.
Our professional R&D team, comprising 65 specialists, can thoroughly interpret technical drawings and conduct feasibility analyses. Furthermore, we can perform reverse engineering on physical prototypes to derive mass-production parameters, ensuring a precise match with your design specifications. Leveraging a fleet of 1,050 specialized production machines, we cover the entire manufacturing workflow - from terminal stamping and housing injection molding to automated assembly - enabling the efficient realization of various customized connector production projects. Our entire production process adheres to the rigorous management systems of IATF 16949 and ISO 14001, with comprehensive quality control measures implemented at every stage to guarantee product precision and quality. Moreover, we possess extensive and proven experience in manufacturing customized products for leading industry clients, ensuring that your custom orders are delivered on time, to the highest quality standards, and in precise alignment with all your specific requirements.

A: The Minimum Order Quantity (MOQ) for our products is determined by the minimum packaging unit specific to each individual connector model. Due to variations in structure, dimensions, and manufacturing processes across different product models (including automotive, electronics, and LED connectors), the corresponding standard minimum packaging quantities may vary. These packaging specifications are scientifically established to align with automated production workflows, warehousing logistics, and product protection requirements, thereby maximizing the integrity and quality of the products during transport and storage.
For our regular, best-selling models, we maintain ample stock, allowing us to flexibly accommodate standard purchasing requirements with adaptable minimum order quantities (MOQs). For custom-designed models, the MOQ is determined by the specific minimum packaging quantity of that particular model, balancing both production efficiency and quality control standards.
To determine the specific MOQ for any given model, simply let us know which model you require, and we will provide you with the precise corresponding figure.

A: Absolutely. Prior to commencing mass production, we will proactively communicate with you and provide dedicated samples or prototypes for your review and confirmation.
All samples are manufactured in strict accordance with the technical specifications mutually agreed upon by both parties. This allows for precise verification of the product's specifications, performance, and practical compatibility, ensuring a perfect alignment with your technical drawings, prototypes, or actual application requirements.
We will only formally initiate mass production once you have confirmed that all parameters of the sample are accurate and satisfactory. This approach allows us to prevent product deviations at the source, guaranteeing that the final delivered products fully meet your expectations.
Leveraging our mature R&D and prototyping capabilities, we ensure efficient sample delivery and rapid response to your confirmation needs, thereby safeguarding the smooth progression of the subsequent mass production phase.

A: The development timeline for custom samples depends on the specific product model in question. During the initial phase, we will engage in detailed discussions with you regarding all specifications - including product structure, materials, and manufacturing processes. Once all technical requirements have been finalized, we will be able to determine the precise development duration.
For simpler custom models involving established manufacturing processes, the development cycle will be relatively short. However, for more complex custom models that require new mold creation or specialized process calibration, the development cycle may take slightly longer.
Once all details have been confirmed, we will immediately inform you of the exact development and delivery schedule for your custom samples. We maintain an efficient workflow throughout the entire process to ensure that your samples are delivered exactly as scheduled.

A: Yes, we are certainly able to provide free samples. Under standard circumstances, we are pleased to provide you with 10 free samples to support your preliminary design integration, performance testing, and other evaluation needs, completely free of charge.
These samples are manufactured in strict accordance with our standard production processes, accurately reflecting the actual quality and compatibility of the final product to help you complete your initial validation work efficiently.
Simply let us know the specific product models you require, and we will arrange for their shipment as soon as possible; you are only responsible for covering the shipping costs.
If your requirements exceed the standard sample quantity, or if you require custom-made samples, please feel free to contact us; we will work with you to develop a reasonable and tailored sample solution.

A: Currently, we are unable to accommodate the mixing of different colors or models within a single Minimum Order Quantity (MOQ) order.
This is because our standard reel-packaged products are assembled and packaged using high-precision, fully automated integrated machinery. Furthermore, the carrier tapes used for each specific model are scientifically and custom-designed - based on the product's structure, dimensions, and other characteristics - to ensure an exclusive and perfect fit for that particular model.
Attempting to mix different models during production and packaging would not only compromise the precision and efficiency of our automated production lines but could also lead to issues such as physical damage or poor electrical contact, thereby jeopardizing overall product quality.
However, if your actual procurement plan involves requirements for multiple colors or models, please do not hesitate to share your specific purchasing details with us. We will work closely with you to negotiate and formulate the most suitable solution tailored to your needs, ensuring that your procurement requirements are fully met.

A: We have established a comprehensive quality control system that spans the entire process - from the moment raw materials enter our facility to the final delivery of finished products. We strictly adhere to authoritative standards such as IATF 16949 and ISO 14001 to ensure all-around control over product quality.
At the raw material stage, we conduct full-scope incoming inspections on core materials - such as copper strips and engineering plastics - to eliminate potential quality risks at the source. In production, we utilize precision automated assembly lines to minimize human error; critical processes are equipped with high-resolution CCD vision inspection systems to screen for dimensional deviations, surface defects, and other issues in real-time. For finished products, we conduct batch-by-batch testing of core electrical performance parameters - such as conductivity and dielectric strength - while simultaneously ensuring full traceability of every production batch.
Our quality control processes are standardized across the entire value chain, with data recording and auditing conducted at every step to ensure that every delivered batch of products is of stable quality and fully meets both industry standards and our clients' technical specifications.

A: Yes, we do have dedicated personnel responsible for after-sales service. All related service activities are coordinated and managed by our company's professional Quality Control Department.
Our after-sales team works in close collaboration with our R&D and Production departments to form a closed-loop service system, enabling us to respond rapidly to and effectively resolve a wide range of after-sales issues.
We have established a standardized after-sales response mechanism to ensure efficient communication and timely feedback, allowing us to monitor the actual performance and usage of our products throughout their lifecycle.
Should you encounter any quality-related issues or require after-sales assistance during our partnership, our dedicated after-sales specialists will engage with you immediately to address and resolve the matter appropriately. We are committed to providing you with comprehensive after-sales support and ensuring a seamless, positive experience throughout our collaboration.

A: We have established a comprehensive, end-to-end service system covering pre-sales, sales, and after-sales stages. At every step of this process, dedicated personnel are assigned to serve as your point of contact, ensuring a smooth and satisfactory experience for you.

Pre-sales: A dedicated consultant will be assigned to engage in in-depth discussions regarding your procurement needs, providing detailed answers to questions concerning product specifications, Minimum Order Quantities (MOQs), lead times, and more. We provide free samples upon request, assist with preliminary testing and validation, and tailor a suitable collaborative solution specifically for you.
During Sales: Once an order is confirmed, we track production progress from start to finish, providing real-time updates on quality control status. We ensure sample approval is obtained before mass production begins, and promptly provide logistics updates once goods are prepared and shipped, ensuring the order proceeds exactly as agreed.
After-sales: A dedicated specialist within our professional Quality Control Department takes charge of post-sales support. We respond rapidly to any issues that arise, coordinating seamlessly with our R&D and Production departments to resolve them efficiently. We track the resolution process through to completion, while simultaneously gathering user feedback to continuously optimize our services, thereby establishing a comprehensive, closed-loop service system.

A: Yes, we fully accept third-party inspections and will actively cooperate with your specific requirements throughout the entire process.
Whether you require an in-process inspection during the manufacturing stage or a final inspection of finished goods prior to shipment, we can coordinate the inspection schedule and venue in advance according to your arrangements, providing our full support to facilitate the inspection process.
Additionally, upon request, we can provide all relevant order documentation - including comprehensive production process test reports - to serve as a solid basis for the inspection, thereby ensuring the process proceeds efficiently.
We guarantee a completely obstruction-free cooperation experience, offering our full assistance to complete every step of the inspection protocol. This ensures your peace of mind regarding product quality and delivery, effectively safeguarding your procurement interests.

A: Yes, we conduct a 100% full inspection of our products before packaging; this constitutes the critical final stage of our quality control process.
This full inspection stage utilizes a hybrid approach, combining high-resolution CCD visual inspection equipment with manual verification. We comprehensively assess fundamental parameters - such as appearance, dimensional accuracy, and terminal alignment - as well as core electrical performance metrics, such as conductivity. We screen out defective items one by one, ensuring that no non-conforming products proceed to the packaging stage. Our full inspection process strictly adheres to quality management system standards, such as IATF 16949. Furthermore, detailed inspection data for every batch is meticulously archived, ensuring full traceability of product quality. Through a rigorous 100% full inspection conducted prior to packaging, we strictly control product quality at the final stage of production, ensuring that every single item delivered meets established standards and fulfills your specific operational requirements.

A: If your shipment arrives in a damaged condition, we will immediately assign a dedicated specialist to handle the matter; we will never evade our responsibility.
Based on the details of the damage you report - including photographs of the physical goods and relevant shipping documentation - we will conduct a comprehensive analysis to pinpoint the exact cause of the damage. Throughout this process, we will maintain active communication with you to verify the facts, ensuring a clear and transparent root-cause analysis.
Concurrently, and based on the specific circumstances, we will promptly consult with you to formulate the optimal resolution - such as issuing a replacement shipment or exchanging the goods. We will execute all resolution procedures with maximum efficiency, striving to minimize the turnaround time and mitigate the impact of the damage on your operations. Our goal is to genuinely safeguard the smooth progression of your production schedule, and we will continue to follow up on the issue until it is resolved to your complete satisfaction.

A: As our product range encompasses various categories - including standard models and custom-made items - each involving distinct application scenarios and manufacturing processes, we currently do not offer a single, standardized warranty policy or fixed warranty duration applicable to all products.
However, should you discover any inherent quality defects in the product after receipt - provided such defects are not the result of human error or improper usage - simply contact our dedicated after-sales support specialist immediately and provide the relevant evidence of the issue. We will respond promptly, assign a specialist to verify the situation, and work with you to devise a tailored solution in a timely manner. We are committed to resolving your practical difficulties with high efficiency, ensuring that your operational needs are fully met and preventing any quality-related issues from disrupting your production schedule.

A: The standard production and delivery lead time for our regular products is 7–10 days. This timeframe is established based on our mature automated mass-production lines and our ample stock of core standard materials. It allows us to efficiently execute every stage - from order scheduling and standardized production to comprehensive quality control testing and final packaging - with strict time management at each step to ensure high-quality completion within the specified period. Prior to commencing mass production, we also complete sample confirmation in advance to prevent deviations at the source and avoid any delays to the overall delivery schedule. If you have urgent procurement requirements, please feel free to contact us; we will prioritize scheduling based on our production line's actual capacity to minimize delivery times. We also provide real-time updates on production progress throughout the entire process, ensuring you remain fully informed of your order status and that your procurement plan proceeds smoothly.

A: The production lead time for our custom-made products is 10–15 days. This timeframe is established once the samples have been confirmed as accurate, taking into account the implementation of custom specifications, standardized production, and comprehensive quality control requirements. It encompasses every stage, including precision manufacturing, multi-dimensional testing, and final packaging for the customized items. Leveraging our mature automated production lines and professional manufacturing team, we ensure efficient workflow integration and strict time management across all processes, enabling us to complete custom production with high quality within the allotted time. If a custom product requires minor adjustments to special processes, we will communicate this to you in advance to ensure the established lead time is not extended. We provide real-time updates on production progress throughout the entire process. If you have urgent delivery requirements, you may also consult with us; we will prioritize scheduling based on our production line's capacity to ensure delivery by the agreed-upon deadline, thereby aligning perfectly with your procurement plan.

A: Our monthly production capacity reaches up to 500 million units. This capacity is achieved through our comprehensive range of precision automated production lines, standardized manufacturing processes, and professional production team, enabling us to efficiently fulfill high-volume production requirements for a wide variety of connectors - including both standard and custom models. Our production lines offer flexible scheduling, with core manufacturing stages fully automated and individual processes seamlessly integrated. While ensuring high production capacity, we strictly adhere to quality management systems - such as IATF 16949 - to maintain rigorous quality control; our inspection standards remain uncompromising, even during mass production runs. Furthermore, we proactively maintain stock of critical raw materials based on market demand, enabling us to confidently handle peak order volumes. This ensures that all orders - whether standard or customized - are scheduled and delivered on time and to specification, perfectly aligning with your long-term supply and bulk purchasing strategies without any concerns regarding capacity shortages or delivery delays.

A: We have established a comprehensive, multi-faceted system - spanning production capacity, operational control, and inventory management - to ensure on-time delivery from every angle. First, leveraging a stable monthly production capacity of 500 million units and fully automated production lines, we offer flexible scheduling capabilities that allow us to efficiently fulfill a wide range of standard and customized orders without any concerns regarding capacity constraints. Second, we maintain a proactive inventory of critical raw materials to mitigate the risk of shortages. Our production processes feature standardized interconnections between stages, and a dedicated specialist monitors each order's scheduling and production progress from start to finish, providing you with real-time updates on key milestones. Additionally, we prioritize quality control by conducting sample confirmations prior to mass production and performing 100% full inspections before packaging; this proactive approach prevents delays caused by rework resulting from quality issues. In the event of urgent orders or unforeseen circumstances, we rapidly reallocate production resources and formulate contingency plans. Through this comprehensive, closed-loop management system, we are fully committed to ensuring that both standard and customized orders are delivered on time and to the highest quality standards, exactly as agreed.

A: Yes, absolutely. Upon request, we are happy to provide you with photo and video updates regarding your order's progress throughout the production cycle, fully accommodating your need to stay informed. We assign a dedicated specialist to monitor the production workflow of every single order from start to finish. At key milestones - ranging from the initiation of the production schedule and core manufacturing processes to quality control inspections and final packaging - we can capture real-time photos or videos as per your requirements and share them with you promptly, allowing you to maintain a clear and accurate overview of your order's actual progress. You are welcome to request updates on your order's specific progress at any time. We will respond and cooperate immediately, providing efficient communication and feedback to ensure you remain fully informed throughout the production process - giving you complete peace of mind regarding both the manufacturing and delivery of your order.

A: The lead time for repeat orders has not currently been shortened; it remains 7–10 days. This is because the production of repeat orders utilizes the exact same standardized process workflow as initial orders, maintaining consistent standards and requirements across all manufacturing and quality control stages. This approach ensures that the quality of repeat products is absolutely identical to that of the original order, preventing any compromise on production standards in the pursuit of speed. However, for repeat orders, we implement a specialized production scheduling optimization: there is no need to re-confirm product specifications or conduct new sampling and proofing checks, as these orders are directly integrated into our priority production schedule, resulting in a smoother and more efficient workflow transition. Furthermore, leveraging our stable monthly production capacity of 500 million units and our ample stock of core raw materials, we can initiate production rapidly. A dedicated specialist will monitor the progress from start to finish, providing real-time updates to ensure strict adherence to the 7–10 day delivery cycle - guaranteeing high-quality delivery that precisely meets your ongoing procurement needs.

A: For standard collaborations, we primarily support EXW terms. Once the goods have been packaged according to our standards, the handover and pickup take place directly at our factory. This process is streamlined and efficient, aligning well with the logistics planning of most buyers. Additionally, depending on your specific procurement needs, logistics arrangements, and order volume, we can flexibly support FOB terms. Under FOB, our factory assumes full responsibility for transporting the goods to your designated port, completing all relevant export customs formalities, and covering the associated transport and clearance costs. A dedicated specialist is assigned to oversee the entire logistics chain to ensure the smooth arrival and handover of the goods at the port. Please note that, at this time, we do not support DDP terms.
Overall, we are committed to providing necessary support - such as specialized packaging and logistics coordination - on an as-needed basis to ensure a seamless freight interface that meets your cross-border procurement and shipping requirements.

A: Our standard payment term requires full payment to be settled prior to shipment. This policy applies to all order types - including both standard and customized products - and features a simple process with clearly defined milestones.
Once an order is officially confirmed, we initiate the full production and quality control workflow. Upon completion of production - and after the goods have passed a 100% comprehensive quality inspection and are ready for dispatch - full payment for the order must be settled immediately prior to shipment. As soon as we confirm receipt of the full payment, we will promptly arrange for the goods to be dispatched and simultaneously forward all relevant logistics documentation to ensure a delay-free shipping process.
Throughout the entire process, we will provide you with timely updates regarding production progress and inventory readiness, clearly indicating payment milestones to help you accurately manage your cash flow and pickup schedule.

Should you have specific payment requirements, please feel free to discuss and negotiate them with us; we will do our utmost to accommodate and coordinate with you based on the specific circumstances.

A: Our payment terms for custom products are structured in stages. If the customization involves mold creation, the mold fee must be paid first; once this payment is received, we officially initiate the mold development, sample prototyping, and approval processes. Upon successful verification and approval of the samples, we proceed to the mass production phase. For custom items that do not require mold creation, we move directly into the mass production workflow.
Regardless of whether mold creation is involved, once the mass production of custom goods is complete - having passed a 100% quality inspection and being ready for shipment - the remaining balance is settled according to our standard terms. As soon as we confirm receipt of the full payment, we immediately arrange for shipment and simultaneously forward all relevant logistics documentation. Throughout this entire process, we clearly define each payment milestone and provide real-time updates on the progress of mold development, sample production, and mass production. Should you have any specific payment requirements, please feel free to discuss them with us at any time; we will do our utmost to accommodate and coordinate with you.

A: Yes, for large-volume orders, we strive to secure the most favorable, exclusive purchasing discounts for you; generally, the larger the order quantity, the more advantageous the discount we can offer. Leveraging our company's massive and stable production capacity - exceeding 500 million units per month - along with the cost advantages derived from our centralized procurement of core raw materials, we are able to maximize cost savings for our clients without ever compromising on product quality. Our goal is to genuinely reduce your procurement costs and foster a mutually beneficial partnership.
Simply let us know your specific product categories, quantities, and collaboration plans, and we will promptly calculate a precise discount proposal tailored to your needs. We aim to combine competitive pricing with reliable delivery, rigorous quality control, and exceptional service to build a solid foundation for a long-term, stable partnership, fully meeting all your large-scale procurement requirements.

A: Under standard circumstances, we accept settlements in two currencies: US Dollars (USD) and Chinese Yuan (CNY). These are the primary settlement currencies for both our international and domestic trade operations. Our settlement procedures are mature and standardized, ensuring efficient verification of incoming funds and rapid payment confirmation. This ensures that the scheduling of your orders and the pace of shipments remain unaffected, effectively meeting the cross-border and domestic settlement needs of the vast majority of our clients. For other currencies, fixed settlement rules have not yet been established; however, specific terms can be negotiated based on your actual procurement needs and our specific mode of cooperation. Throughout the process, a dedicated specialist will serve as your point of contact to handle all details regarding foreign currency settlement. This ensures that the settlement process is fully compliant and convenient, guarantees the timely receipt of payments, and facilitates the proper exchange of all relevant settlement documentation - thereby ensuring a smooth and seamless payment experience that is fully tailored to meet the unique settlement requirements of each client.

A: Our products are packaged for export using specialized, standardized packaging designed specifically for international transport. This packaging balances robust protective capabilities with logistical compatibility and full compliance with customs clearance regulations, making it perfectly suited for various international shipping methods, including sea and air freight. The inner packaging utilizes specialized materials to cushion and protect the products, preventing bumps, abrasions, or impact damage that may occur during long-distance transit, thereby safeguarding both the physical appearance and electrical performance of the goods. The outer packaging consists of high-strength cartons featuring multi-layer reinforcement and sealing; these can be treated for moisture resistance and compression resistance upon request, ensuring exceptional durability and sturdiness. Furthermore, in accordance with international logistics requirements, the packaging is clearly marked with essential information - such as shipping marks, product specifications, and quantities - to facilitate both customs clearance and logistics sorting. Overall, our packaging is fully standardized and compliant, allowing for direct shipment without the need for any additional handling, and ensuring the safe and secure delivery of your products from start to finish.