About YHYadapter
Leading AC-DC Power Adapter Manufacturer and Supplier in China
Our History
Why Choose YHYadapter
High Product Quality and Reliability
Our ISO 9001 factory uses the latest technology, including GaN, to achieve industry-leading energy efficiency (DOE Level VI compliance). This lowers your product’s operating costs and heat. All units built-in multi-protection mechanisms: Over-Current (OCP), Over-Voltage (OVP), Over-Temperature (OTP), and Short-Circuit Protection (SCP), ensuring flawless operation of your end device.
Global Certification
We possess extensive global certifications (such as UL, cUL, FCC, TUV-GS, CB, PSE, RCM, KC, ETL, NOM, BIS, CE, CCC, Safety Mark, and S-mark, etc.). Our compliant power supplies directly help accelerate your end product’s time-to-market. Advanced EMI/EMC suppression is integrated into the design phase.
Customization and R&D
Our core strength lies in providing OEM/ODM Power Solutions. Whether you require unique voltage/current profiles, specialized connectors, non-standard mechanical enclosures, or must meet specific medical/industrial demands, we deliver a truly tailored design. Our expert engineers offer rapid prototyping and fast design changes. We quickly move your project from concept to production, giving you a competitive edge.
Stable Supply Chain
As a factory, we maintain high control over sourcing and production, ensuring a reliable, long-term supply of critical components. Our large-scale operations and lean practices deliver the most competitive B2B pricing without ever sacrificing quality. We provide end-to-end management—from design to after-sales and End-of-Life (EOL)—supporting your product for its entire lifespan.
Get a firsthand look at our factory
We stand for transparency and welcome you to visit our world-renowned factory. Here, we manufacture a full range of AC-DC power adapter products in-house.
Production line
SMT
Aging room
Wire house
OQC
Lable mark
Warehouse
Heat sink cutting
IQC
YHYADAPTER TEAM
Serving as the bridge between YHYadapter and the world, we are dedicated to delivering seamless solutions with precision and speed. Choosing us means choosing a trusted global partner.
Zhenghui Yang
Chief Executive Officer
Vice President
Director of Operations
Director of Sales
Business Development Manager
Business Development Manager
Business Development Manager
Business Development Manager
Business Development Manager
Our partners
For over 15 years, YHYadapter has been known for its commitment to excellence. We help our customers reach the pinnacle of
productivity and quality with specialized AC-DC power adapter solutions. Our technology ensures consistent performance you can always count on.
Certifications & Awards
Industry leaders and certification bodies worldwide recognize our commitment to excellence.
ROHS Certification
Restriction of Hazardous Substances
FCC Certification
Federal Communications Commission
CE Certification
Conformité Européenne
ETL Certification
Electrical Testing Laboratories
BIS Certification
Bureau of Indian Standards
ISO 9001 Certification
ISO 9001:2015
KC Certification
Korea Certification
NOM Certification
Normas Oficiales Mexicanas
RCM Certification
Regulatory Compliance Mark
Safety Mark Certification
Singapore Safety Mark
GS Certification
Geprüfte Sicherheit
PSE Certification
Product Safety of Electrical Appliance & Materials
UL Certification
Underwriters Laboratories Inc.