About us
Joytrain is a leading manufacturer of wire harness and audio module solutions with over 20 years of experience. Based in Dongguan, China, we serve global OEM/ODM customers with high-reliability connectivity solutions.
Company Profile
Founded in 2004, Joytrain is a certified wire harness and cable assembly manufacturer with nearly 20 years of experience.
Operating from a 32,000㎡ self-owned industrial park in Dongguan, we employ 200+ skilled staff, including 30 engineers and QA specialists.
Certified by ISO9001, IATF16949, and IEC QC080000, we deliver high-quality OEM & ODM solutions trusted by global clients in automotive, medical, industrial, and consumer electronics industries.
Our Milestones
Over the years,Joytrain has grown from a small workshop into a leading manufacturer with a 12,000㎡ industrial park and 300+ skilled employees. From establishing automated production lines to serving global automotive, medical, and industrial clients, each milestone marks our commitment to quality, innovation, and customer trust.
Factory Site View
Joytrain operates advanced automated production and testing equipment. Our industrial park also provides a harmonious environment with gyms, libraries, and recreational spaces, reflecting our philosophy of “running the factory with the spirit of education.”
Park Entrance Gate
Reception Desk
Office Building
Production Workshop
Laboratory
Warehouse
Our Culture & Vision
We believe in long-term partnership, responsibility and innovation. We run our factory with the mindset of running a school — nurturing people and growing together.
- Quality First: Strict standards and continuous improvement.
- Sustainability: Industry and environment growing together.
- Collaboration: Long-term win-win partnerships.
- People-Oriented: Building a stable, skilled, and motivated team.
Key Equipment & Process Capability
Certified by ISO9001, IATF16949, and IEC QC080000, we guarantee quality, safety, and compliance. We also hold over 29 patents, driving innovation in wire harness solutions.
- High-speed crimping machines
- Salt spray, high-low temperature and aging testers
- EMC shielding & acoustic test chambers EMC
- Ultrasonic welding, AOI visual inspection
- Barcode-based production traceability system
Why choose us
Trusted Wire Harness Partner for Global B2B Clients
Strong Manufacturing Capability
Over 32,000㎡ self-owned factory, 3 automated lines, 200+ skilled staff.
Complete Quality Management
100% function & reliability testing: continuity, HV, pull, salt spray, aging
Expert Engineering Support
30+ engineers for layout design, BOM optimization, DFM, connector selection.
Fast Sampling & Flexible MOQ
3–7 day prototyping, mold-free customization, flexible batch support.
Full Traceability & Compliance
Certified with ISO 9001, IATF16949, RoHS, REACH, with PPAP package.
Global OEM/ODM Service
Serving 40+ countries with professional English team and reliable delivery.
Trusted by Global Brands
Our products are exported to 30+ countries and used in high-end electronics and automotive systems.
Let us bring your custom project to life.
One-Stop OEM/ODM Solutions
Want to Know More?
Contact us for brochure, quotation, or visit arrangement.