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JinHai is a Globally Leading Custom ofAutomotive Wiring Harness Manufacturer

Mass Custom Wire Harness Manufacturer in China

JinHai — extensive experience in wire harness manufacturing. Offering various customized solutions.

IATF 16949 and ISO 9001 certifications attest to JinHai’s expertise. We are committed to delivering high-quality custom wiring harness solutions for automotive, industrial, and smart home applications. We tailor reliable, high-performance harness products to meet each client’s specific requirements.

Get a quote now and let JinHai become a powerful ally for your project!

JINHAI FAB

Custom Cables and Wire Harnesses

JinHai is a trusted wire harness supplier for deep collaboration, offering comprehensive high-performance custom wire harness assembly services for automotive and industrial applications. Our solutions prioritize durability, precision, and seamless integration with electrical systems, ensuring exceptional reliability and outstanding performance.

4 Advantages of Automotive Chassis Wire Harness

Bộ dây điện ô tô

Bundled cables and connectors designed for efficient power and signal transmission in vehicles, supporting safety systems, lighting, engine control, and infotainment.

LED Spotlight Wiring Harness

Bộ dây điện xe máy

Their lightweight selection, anti-interference design and resistance to extreme environments directly affect millisecond-level competition on the track.

Wiring Harness 2984577 298-4577 for Cat 777 Wheel

Agricultural Machinery Wire

Designed for harsh working environments in the agricultural sector, featuring vibration resistance and corrosion resistance to provide equipment with long-term stable electrical systems.

Wiring Harness - 40 Amp Relay - 3 Position LED Rocker Switch - 3-Pin Deutsch Connectors

Smart Home Wire

JinHai is a high-quality wire harness technology manufacturer that covers multiple industries of wire to meet the different needs of users.

High Quality 10cm Rtt Custom DuPont LCD Lvds Cable Wire Harness

Waterproof Cable

Sealed cable assemblies resistant to water, dust, and moisture, perfect for outdoor, automotive, and marine applications.

Automobile switchs collection

Công tắc ô tô

The automotive switch controls headlights, air conditioning, windows, electronic braking systems.

Wiring Harness Terminal and Connector

Wire Connectors

Connectors serve the critical functions of physical protection and environmental sealing, making them an indispensable component in wire harness materials.

70mm2 Battery Cable Wiring Harness, Power Cable with Braided Mesh, High Voltage Energy Storage Cable, Large Battery New Energy Charging Pile Wire Harness Sc70-6

Connector Cable

Flexible cable assemblies with custom connectors for seamless integration between electronic components in industrial and consumer devices.

terminals

Crimping Wire

Pre-terminated wires with precision crimps for secure electrical connections, widely used in PCB assemblies and control units.

Why Can Jinhai Meet Your Custom Wire Harness Needs?

We are a professional wire harness manufacturer recognized globally for our high quality, on-time delivery, and comprehensive customization services. Jinhai has become the preferred wire harness supplier for hundreds of companies in the automotive industry.

100% Functional Testing—Ensuring Zero-Defect Delivery_

100% Functional Testing —Ensuring Zero-Defect Delivery

We maintain full process traceability records and implement multiple quality control positions including IQC, IPQC, FQC, and OQC to ensure end-to-end product lifecycle traceability. Additionally, we hold multiple international quality certifications, comprehensively guaranteeing products meet stringent standards.

  • ISO 9001
  • IATF 16949
  • RoHS/REACH/UL

Your Own Design Team — Rapid Response

Partnering with JinHai means you’re not just choosing a “manufacturing facility,” but collaborating with a technology-driven expert providing wire harness integration solutions. From the earliest stages of product design, we work closely with you to deliver cost-effective wire harness solutions, reduce development time, and ensure a seamless transition to mass production.

  • Assisting Clients with Wire Harness Design and Optimization
  • Rapid Prototyping to Shorten Project Cycles
  • Wire Harness Structural Engineers with Over 10 Years of Industry Experience
Factory Site Photos

Automation Harness Factory — Producing 27,000–40,000 Harnesses Monthly

As a leading wire harness assembly enterprise, JinHai operates an advanced manufacturing facility spanning over 20,000 square meters. We possess parallel production capabilities for multiple harness types, ensuring production flexibility and high efficiency. The factory is fully equipped with state-of-the-art automated equipment, including:

  • Automatic Wire Stripping Machines
  • Stranding Machines
  • Fully automatic and semi-automatic crimping machines
  • Automated assembly lines
Conductivity Test

Fully Automatic Continuity Testing Systems

Fully automatic continuity testing systems

Through our efficient production system, we consistently maintain an order delivery stability rate of ≥98% with a delay rate below 1%.

Choosing JinHai means not only gaining cost-effective wire harness solutions but also partnering with a mature manufacturer offering robust production capacity, reliable delivery, and comprehensive project support.

Tape wrapping Buy Custom Wire Harness

Design Drawings to Physical Samples — OEM Harness Customization Services

Technical requirements for wiring harnesses often vary significantly across different application scenarios. At Linkwings, we understand that what you need isn’t a standard off-the-shelf product, but a truly tailored solution that meets your specific demands. That’s why we specialize in providing rapid-response, reliable OEM harness services.

We meticulously craft custom harnesses precisely aligned with your specifications and performance requirements, ensuring every detail meets your expectations.

Product Package Step4

Extensive Export Experience — Shipping to Southeast Asia, Africa, Americas, and beyond

As a professional and trustworthy Chinese automotive wiring harness supplier, we not only master manufacturing processes but also possess deep expertise in global export logistics. No matter your location, we efficiently and accurately deliver high-quality automotive wiring harnesses that meet international standards.

Our custom harness assembly services ensure a seamless procurement process, fully supporting your project’s efficient advancement.

Sản xuất dây cáp tùy chỉnh cho các ngành công nghiệp khác nhau

JinHai có thể sản xuất các loại dây cáp điện khác nhau cho ứng dụng của quý khách. Vui lòng gửi cho chúng tôi bản vẽ của quý khách và chúng tôi sẽ cung cấp báo giá tốt nhất.

Automobiles

JinHai can produce automotive parts, engine compartment wiring harness/body wiring harness/chassis wiring harness etc through our strong R&D and manufacturing capabilities.

Xe máy

JinHai produces motorcycle parts, head harnesses/body harnesses/steering harnesses, etc. through automotive-grade standard harness manufacturing capabilities.

Agriculture

JinHai can produce agricultural wiring harnesses such as cab wiring harnesses, work equipment wiring harnesses, sensor wiring harnesses, etc. by taking advantage of the wide range of materials used.

Home Appliances

JinHai can produce main power wiring harness/mainboard wiring harness/motor wiring harness/operation panel wiring harness, etc. through a wide range of product layout.

Custom Car Wiring Harnesses for You!

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Start Elevating Your Business

Get premium wiring harnesses, exceptional support, and unbeatable value—all designed to help you succeed

01 Send an Inquiry

Reach out to us with your needs and questions; we’re here to assist.

02 Confirm Product and Order

We’finalize the product specifications,customization options, and order detailsto match your requirements.

03 Production and shipping

Your order is produced with top quality checks,then shipped reliably with regulardelivery updates

Location

Room 1626, 4th Floor, Building 13, Xiuyuan, Dachengli, Fengtai District, Beijing Room 1626, 4th Floor, Building 13, Xiuyuan, Dachengli, Fengtai District, Beijing

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