Cable Industry  Manufacturers, Traders, Suppliers

SUNET-WELINK Electronic Technology Co., Ltd. is a group company with a wiring harness processing workshop set in Shanghai in 2006 and two factories in Qingdao and Jurong respectively, each having a registered capital of RMB3,000,000 and an area of more than 4,000 square meters, integrating the R&D, production, processing and sales of wiring harnesses and cables.SUNET-WELINK has passed the US UL wiring harness factory certification (certification number: E508227) and the IATF/TS 16949:2016 certification. All products fully comply with the environmental protection requirements of ROHS and REACH.
SUNET-WELINK’s products include: automotive wiring harnesses, inverter wiring harnesses, energy storage wiring harnesses and photovoltaic wiring harnesses (household energy storage harnesses, industrial and commercial energy storage harnesses, battery harnesses, PACK harnesses, PCS harnesses, BMS harnesses, energy storage main control harnesses, energy storage acquisition harnesses, energy storage EV high-voltage harnesses, energy storage communication harnesses, MC4 harnesses, M6/M8/M12/M16 waterproof harnesses, liquid-cooled battery cluster harnesses, air-cooled battery cluster harnesses, liquid-cooled battery pack harnesses, AC liquid-cooled industrial and commercial energy storage cabinet harnesses, DC liquid-cooled outdoor energy storage cabinet harnesses, outdoor energy storage cabinet harnesses, photovoltaics, charging and storage harnesses), robot wiring harnesses, lithium battery wiring harnesses, home appliance wiring harnesses (refrigerator/air conditioner/washing machine/small home appliance wiring harnesses), medical wiring harnesses, UAV wiring harnesses, robot dog/wolf wiring harnesses, motor wiring harnesses, elevator harnesses, frequency converter wiring harnesses, lighting harnesses, communication harnesses, power equipment wiring harnesses, solar energy wiring harnesses, network cables, USB-TYPE-C wiring harnesses, distribution cabinet harnesses, etc.

Our company specializes in the research, development, production, and service of industrial-grade wire harnesses, connectors, connection cables, and wire and cable systems. We are committed to providing highly reliable, customized intelligent connectivity solutions for the global industrial sector. Our products are widely used in automation equipment, new energy, automotive, photovoltaic, audio-visual communication equipment, robotics, medical devices, electrical equipment, and computer peripherals, among other fields.
The company has obtained management system certifications such as ISO9001, ISO14001, ISO13485, and IATF16949, as well as UL international authoritative certification.
Product Compliance Electrical Safety Testing Requirements:** GS, CE, FCC, CSA, UKCA, UL, ETL, SAA, PSE, KC
Environmental Testing RCM, EMC
Environmental Compliance ROHS, REACH, EN71, 17P/Phthalates, PAHS, and other environmental standards. Many products are LSZH (Low Smoke Zero Halogen).
Additional Compliance Reach Annex XVII,
Reach SVHC,
WEEE marking assessment & weight report,
94/62/EC (packaging),
PAH+PB+CD+PHTH+SCCP/MCCP+HBCDD+AZO.
All Tested by Authoritative Institutions UL, SGS, TUV, BV, etc.
Strict Product Quality Control
1.Scientific and Complete Quality Control Processes and Standards
2.Inspection Standard is according to IPCWHMA-A-620A
3.All Products have Electrical Testing and Full Inspection before Shipment
①100% breakover test
②100% crimp inspection
③100% size inspection
④100% visual inspection
⑤always do pre-assembly inspection
⑥always do pulling force test
4.Raw materials 100% batch test , production process 16 full-prosecutor completion, products 72 hours aging test.
Vision and Mission:
With the mission of "Connecting the Future of Industry," we continue to invest in research and development, having obtained 60 technical patents in the past three years and participated in the formulation of three industry standards. In the future, we will continue to delve deeper into Industry 4.0 connectivity technologies, helping global customers build safer and more efficient industrial equipment neural networks.