About WOWOHCOOL
Shenzhen OEM/ODM Charger Manufacturer Since 2013
We are Dong Yi Technology Co., Ltd, a professional OEM/ODM manufacturer of wireless chargers, power banks, GaN chargers, and car chargers in Shenzhen, China since 2013.
ISO 9001 certified factory with a 5,000㎡ facility, 4 automated SMT production lines, and 1M+ monthly capacity. Every product is CE, FCC, RoHS, and Qi2 certified for global market compliance. Our 50+ R&D engineers specialize in GaN V, PD 3.1, Qi2 MPP, and semi-solid-state battery technologies — featured at CES 2026. We have delivered 10M+ units to 200+ global brands including Bosch and Jacob Jensen. Learn about our OEM/ODM services.
Trusted by
Jacob Jensen
Bosch
200+ Global Brands
10M+ Units Shipped
Trusted by 200+ Global Brands
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
8 Specialized Workshops
From SMT pick-and-place to final aging tests, each workshop is purpose-built for a specific stage of charger manufacturing. Every area operates under our ISO 9001 quality management system with documented procedures and traceable records.
SMT Workshop
Automated PCB Assembly
Injection Molding
Housing Production
Mold Workshop
Precision Tooling
Assembly Line
Multi-Stage Production
Production Line
End-to-End Flow
Testing Laboratory
QC & Compliance
Aging Test Lab
100% Burn-In Testing
Engineering Office
50+ R&D Engineers
Meet Our Expert Team
10+ years of charging accessory expertise across sales, R&D, and quality. Every project at WOWOHCOOL is led by a dedicated point of contact who knows your product end to end.
Snowy May
Market Manager · Co-Founder
Power Bank · GaN Charger · Wireless Charger | 3C Accessories OEM/ODM Expert
13+ years in charging technology. Founded WOWOHCOOL (2013) and KEEPWIRELESS sub-brand. Led the Jacob Jensen custom ODM wireless car mount with infrared and touch dual-sensing (zero defects on first run) and the Tempel Group 3,000-unit air compressor sourcing project (managed end-to-end remotely for the Spanish family-owned brand). Speaks English, Mandarin, Cantonese. Responds within 4 hours during business days (UTC+8).
- Recommends market-featured products
- Helps realize customer product ideas
- Reduces workload from design to production
- Helps purchase related products
Nina Nico
Sales Manager · Global Sourcing Lead
Procurement · OEM/ODM Project Management · 3C Mobile Accessories
12+ years in 3C accessories procurement and global sourcing. Led the Bosch 10,000 GaN car charger project (multi-tier 30W/65W/100W+ matrix delivered in 5 days) and the Techmade 5,000 custom power banks program for Italian football teams (5,000mAh and 10,000mAh series). Manages 200+ active brand accounts across North America, Europe, and Asia-Pacific. Specializes in MOQ optimization, certification roadmaps (CE, FCC, Qi2, UN38.3), and DDP logistics. Speaks English, Mandarin, basic Spanish. Responds within 4 hours during business days (UTC+8).
50+
Trusted Brands
30%
Faster Lead Times
0.5%
Defect Rate
5-Step
QC Process
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.
Since 2013: A Timeline of Growth
From a startup workshop to a CES-featured manufacturer serving 200+ global brands, every milestone reflects our commitment to charging technology and manufacturing excellence.
Dong Yi Technology Established
Founded in Longhua, Shenzhen as a specialized charging accessories manufacturer. Initial team of 15 engineers focused on power bank and wall charger OEM production.
ISO 9001 Certification Achieved
Passed ISO 9001 quality management system audit by SGS. CE, FCC, and RoHS certifications obtained for all product lines. Expanded to 2,000sqm facility with first SMT line.
Wireless Charger Production Launch
Entered the wireless charging market with Qi-certified product lines. Built dedicated coil winding and FOD testing capability. Expanded R&D team to specialize in magnetic alignment and thermal management for wireless charging.
GaN Charger Production Launch
Invested in GaN (Gallium Nitride) charger manufacturing lines. Expanded to 5,000sqm current facility. R&D team grew to 30+ engineers specializing in PD fast-charging protocols.
1M+ Monthly Capacity Achieved
Expanded to 200-500 employees with 4 automated SMT lines. Served first Fortune 500 clients. Launched Qi2 wireless charger product line ahead of industry adoption curve.
Semi-Solid-State Battery R&D
Began development of semi-solid-state power bank technology. 50% thinner, 30% higher energy density vs traditional lithium-polymer. Completed Bosch 10,000-unit GaN car charger fast-track project in 25 days.
CES 2026 & Global Expansion
Featured semi-solid-state and Qi2 MPP technology at CES 2026. Surpassed 200+ global brands and 10M+ units delivered. Launched German and Spanish market websites. 50+ R&D engineers driving next-gen GaN V and PD 3.1 development.
How We Work: Concept to Container
Every OEM/ODM project follows our proven 6-stage manufacturing process. From your first sketch to the shipping container, each stage has documented procedures, designated engineers, and quality gates.
Design & Concept
ID sketches, 3D modeling, CMF definition. You share your product vision; our design team translates it into manufacturable specifications within 24 hours.
Engineering & Tooling
PCBA layout, mechanical engineering, mold fabrication. DFM review catches issues before tooling begins. Private mold options protect your product IP.
Prototyping & Sampling
3D prototype within 7 days, functional samples within 7-14 days. We test every sample against your spec sheet before shipping for your approval.
Mass Production
SMT assembly, injection molding, product assembly. 4-stage inline QC (IQC-IPQC-FQC-OQC). 100% burn-in aging test on every unit before packaging.
Testing & Certification
CE, FCC, RoHS, Qi2, UN38.3 compliance. Chroma load testing, thermal imaging, EMC pre-scan. Full certification documentation package for your target market.
Packaging & Logistics
Custom retail packaging, FOB Shenzhen or DDP to your door. Sea freight, air freight, or express options. End-to-end documentation including MSDS for battery shipments.
Certifications & Compliance
International Standards for Global Markets
CE
FCC
RoHS
Qi2
UN38.3Why 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.
Trusted by Industry Leaders
Real OEM/ODM partnerships that speak for themselves
Jacob Jensen
Complex ODM wireless car mount with dual-sensing tech, 6,000 units delivered.
View Case Study →Bosch
Fast-track 65W GaN car charger, 10,000 units delivered ahead of pre-sale deadline.
View Case Study →Come See Our Facility
We welcome factory visits from potential partners. Walk our production floor, meet the engineering team, and see our QC process in action. A factory tour is the fastest way to verify our capabilities.
- Address: 925, Yichuang International Center, Longhua District, Shenzhen, Guangdong 518111, China
- Tour hours: Monday-Friday, 9:00-17:00 (UTC+8). Please schedule at least one week in advance.
- Nearest airport: Shenzhen Baoan International (SZX), 40 min by car.
- Hotels: Multiple international hotels within 15-minute drive. We can assist with booking.
Download Company Profile
Get our complete capability deck: factory specs, certification documents, product catalog, OEM/ODM process details, and client case studies. Everything a procurement manager needs in one PDF.
FAQ