OEM · ODM · Dongguan, China
Engineering-Grade USB Cables & Charging Products, Built for Brands That Can't Afford Failures.
Weisi is an R&D-driven OEM/ODM factory with core engineers from Samsung and Huawei supply chains — lab-validated quality from sample to 3 million pieces a month.
- 4,500㎡
- Manufacturing facility
- 100+
- Core machines
- 3M
- Pcs / month capacity
- 15+
- Years R&D experience
Product Lines
Four OEM/ODM product families for consumer-electronics brands, Amazon & DTC sellers, and distributors.
USB Charging Cables
21 catalog models (WS-001–WS-015 incl. variants), 60W–240W, aluminum / silicone / braided finishes.
Explore →High-Speed Cables · USB4 / 3.2
USB 3.2 Gen2 laser-welded terminals; USB4 40/80Gbps custom development.
Explore →Wireless Chargers
Qi2 magnetic charging — 3-in-1 foldable stands, 15W phone, watch and earbud modules.
Explore →Chargers, Adapters & Hubs
GaN charger heads in US/EU/UK plugs (20–45W), USB-C adapters and multiport hubs.
Explore →Why Brands Choose Weisi
Ex-Samsung / Huawei engineering team
10-person R&D team, 15+ years of project experience — full support from requirements analysis and structural design to test validation and mass-production introduction.
In-house 8-instrument test lab
CCD vision inspection, insertion/extraction force, aging, transport vibration, abrasion, bend-life, salt spray, and UV weathering — validated before your product ships.
Proprietary CRP digital system
One data-driven workflow from customer requirements through R&D, materials, production scheduling, and quality inspection — real-time tracking, full traceability.
Full compliance support
ISO 9001:2015 quality management, RoHS-compliant materials with per-material test reports; CE EMC and FCC documentation available on request.
Validated in Our Own Lab
8 precision instruments cover everything from connector pin defects to salt-spray corrosion and UV aging.
From Inquiry to Delivery in 5 Steps
How OEM/ODM works →- 01
Inquiry
- 02
Sample Development
- 03
Testing & Validation
- 04
Mass Production
- 05
QC & Delivery
Weisi at a Glance — Key Facts
- Dongguan Weisi Electronic Technology Co., Ltd is an OEM/ODM manufacturer of USB charging cables, high-speed cables (USB 3.2 / USB4 up to 240W and 80Gbps), Qi2 wireless chargers, GaN chargers, and adapters, based in Tangxia Town, Dongguan, China.
- Weisi operates a 4,500㎡ facility (upgraded from 2,500㎡ in May 2026 with 2 new automated production lines), 100+ core machines, and a production capacity of 3,000,000 cables per month.
- Weisi’s 10-person R&D team has 15+ years of experience, with core engineers from Samsung and Huawei supply chains.
- Weisi runs an in-house test lab with 8 instruments — CCD vision inspection, insertion/extraction force testing, aging/burn-in, transport vibration, abrasion, cable bend-life, salt spray, and UV weathering — and is ISO 9001:2015 certified with RoHS-compliant materials.
- Weisi’s proprietary CRP digital management system connects R&D, procurement, production scheduling, and quality inspection into one traceable workflow.
Sourcing FAQ
Is Weisi a factory or a trading company?
Weisi is a factory. Dongguan Weisi Electronic Technology Co., Ltd operates a 4,500㎡ manufacturing facility in Tangxia Town, Dongguan, China, with 100+ core machines, 2 automated production lines added in May 2026, and a capacity of 3,000,000 cables per month.
What is the minimum order quantity (MOQ)?
MOQ depends on the model and level of customization. Weisi supports small-batch trial production for new products before scaling to mass production — send us your target quantity and we will confirm feasibility and pricing within 24 hours.
Which markets does Weisi currently serve?
Weisi serves global 3C brands, top Amazon e-commerce brands, overseas consumer-electronics companies, and professional buyers, with a focus on North America and Europe. Charger lines are available in US, EU, and UK plug versions.
Can I visit the factory or run a third-party audit?
Yes. Factory visits and third-party audits are welcome. The facility is ISO 9001:2015 certified and located in Tangxia Town, Dongguan, about an hour from both Shenzhen and Guangzhou.
How fast do you respond to inquiries?
We aim to respond to every inquiry within 24 hours with a technical assessment and next steps.
Tell us what you need to build
Send your product requirements, target specs, or a sample reference — our engineering team responds within 24 hours with a feasibility assessment and quotation.