Dongguan Suyi Electronics Co., Ltd.
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One-stop OEM/ODM customization service
At SUYI, customization isn’t just an option — it’s our core capability. With a dedicated in-house R&D team, we specialize in delivering full-spectrum OEM and ODM services for a wide range of industries.
  • Custom Connector & Cable Design
  • Flexible Cable Assembly Options
  • Private Labeling & Branding Services
  • Rapid Sampling & Prototyping
  • Tailored Electrical Specifications
  • Industry-Specific Compliance Engineering
About Us Dongguan Suyi Electronics Co., Ltd
Dongguan Suyi Electronics Co., Ltd. is a professional R&D and manufacturing company specializing in electronic wires, LED light wires, automotive wiring harnesses, battery connection wires, electrical internal wires, terminal wires, silicone wires, power wires, halogen-free wires, FFC wires, silicone wires, PVC wires, toy wires, LED light strip quick solder free connection wires, horn wires, automation mechanical signal wires, and more.
SuYi Electronics is located in Chang'an Town, Dongguan City. After years of rapid development, relying on stable quality, good price advantages, fast delivery cycles, and attentive service, SuYi has won a good reputation and the trust of many customers in the industry. In response to the rapid development of the technology industry and the increasing market demand, Suyi spares no effort in promoting product research and development and strengthening the professional quality of its employees, ultimately striving to meet the needs of its customers.
  • Employees
    60+ skilled staff and technicians
  • Cover An Area
    1,100㎡ modern production workshop
  • Company Since
    Established in 2015 Over 10 years
  • Daily Output
    Over 50,000 cable assemblies per day
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We Can Customize
  • Terminal & Wire Harnesses
    JST, MOLEX, ZH/XH/SH series harnesses; XT30/XT60/XT90 power harnesses
  • Waterproof Connector Harnesses
    M6/M12/M16 waterproof connectors; IP67/IP68 waterproof cable assemblies
  • Specialty Wires & Cables
    Silicone wire, PVC ribbon cable, FFC flat cable, halogen-free wire, battery connection cables
  • Industrial Harnesses
    Automotive harnesses, LED light strip harnesses, automation equipment signal cables, internal appliance wiring, speaker cables, etc.
Production Process
1.Wire Cutting
2.Terminal Crimping
3.Harness Assembly
4.Electrical Testing
5.Visual Inspection
6.Spot check
7.Packaging
8.Shipping
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WE WILL CONTACT YOU
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Client Case Studies
Client Background
North‑America LED outdoor lighting brand, ODM custom waterproof cable assembly for street light products.
Project Outcome
5,000 sets mass production, passed customer third‑party waterproof verification.
Challenges
1.Outdoor application, long‑term rain & dust exposure, require stable IP67 waterproof performance
2.Limited internal space for over‑molded connector
3.Target cost control for mass volume
Our Solution(ODM Development)
1.Optimized over‑molding structure, selected weather‑resistant PVC raw material
2.Finished structure design, prototype & waterproof aging test in‑house
3.BOM component optimization to reach target cost without sacrificing performance
Customer Reviews
"This cable is exactly what I needed for my industrial control system. It's easy to install, and the waterproof feature gives me peace of mind. I've been using it for a while now, and there have been no issues at all. Great product!"
Brown
Project Manager
"I'm really impressed with the SW 24 Waterproof Connector Cable. I used it in a marine project, and it worked flawlessly even underwater. The connector is very secure, and the cable quality is top-notch. I'll definitely buy from this company again." 
Mark Johnson
Production Supervisor
As an engineer in an industrial factory, I have been using their waterproof connector cable for several months now. It has been proven to be very reliable and can withstand the harsh environment of our factory. Highly recommended
John Doe
Plant Engineer

Certifications & Quality Assurance

FAQ
Are you a manufacturer?
Of course, we can provide customers with remote video viewing services at any time.
Do you provide samples?
We provide samples and low MOQ services, and make samples for free for some qualified customers.
How long is your delivery time?
It depends on the number of customers and the complexity of the product. Simple products take about 3-7 days, and complex products take about 10-15 days. We have sufficient material inventory, and for some common wiring harnesses, our delivery time will be very fast.
What payment methods are accepted?
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make
Where are your customers mainly concentrated?
Our customers are mainly concentrated in North America and Europe. So don't worry about quality issues
What certifications do you have?
Our products have UL, CE, IOS9001, VDE and other certifications
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