About YHYadapter

Leading AC-DC Power Adapter Manufacturer and Supplier in China

Our History

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.

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Visit our factory

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

Edward Chen

Vice President

Eva

Director of Operations

Shawn

Director of Sales

Seraphim

Business Development Manager

Serena

Business Development Manager

Defoe

Business Development Manager

Barry

Business Development Manager

May

Business Development Manager

speak with our team

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

Environmental Compliance

FCC Certification

Federal Communications Commission

CE Certification

Radio Equipment Directive

ETL Certification

Electrical Testing Laboratories

Our values power our success

Knowledge

Our knowledge and experience enable us to deliver the high-quality solutions that our reputation is built on.

Flexibility

We combine our global scale with an agile mindset. It enables us to adapt, improve and innovate in everything we do.

Customer focus

We don't simply provide our customers with products; we partner with them across the whole of their product development.

Speed

By finding faster ways of delivering value, we help our customers deliver the products their sector needs, when they are needed.

Integrity

Conducting our business in the right way is what gives us the confidence to be transparent and open in the way we communicate.

Welcome to visit our factory

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