About
WOWOHCOOL
Established in 2013, Dong Yi Technology Co., Ltd is a professional wireless charger factory and power bank manufacturer in Shenzhen, China. We specialize in OEM/ODM production of charging accessories for global brands and distributors.
As a trusted China electronics factory, we produce CE/FCC/Qi-certified wireless chargers, power banks, and car chargers. Our 5,000㎡ facility in Shenzhen has 1M+ monthly production capacity with ISO 9001 quality management.
Our Factory & R&D
Capabilities
Our 5,000㎡ factory in Shenzhen is equipped with automated SMT production lines and professional testing labs. We handle full-cycle manufacturing from ID design to mass production, ensuring CE/FCC/Qi/RoHS compliance for every wireless charger and power bank.
- Automated SMT Lines
- Testing Laboratories
- 100% Aging Testing
- ISO 9001 Standards
Meet Our Expert Team
Our R&D team has 50+ senior engineers specializing in PCBA design, industrial design, and fast charging protocols (PD/QC/GaN). We help brands develop unique products and bring them to market faster than competitors.
10+
Years Excellence
Expertise in multi-protocol fast charging and international safety certification mastery.
24h
R&D Feedback
Immediate technical evaluation and CAD sketching to fast-track your OEM/ODM projects.
Certifications & Compliance
International Standards for Global Markets
CE
FCC
RoHS
Qi2
UN38.3
Why Partner With WOWOHCOOL
10+ Years Specialized
Expertise in charging accessories since 2013.
Full OEM/ODM
From concept design to mass production.
Flexible MOQ
Fast sampling (7-15 days) and lower MOQs.
Strict Quality
Rigorous QC and 12-month warranty.