Email: info@merryking.com

Trusted Power Solutions Since 2005

Merryking Electronics is a premier manufacturer specializing in certified power adapters and chargers ranging from 1W to 420W. Backed by a dedicated workforce of over 200 professionals, scalable production capacity, and rigorous 100% full-load burn-in testing, we offer exceptional reliability supported by a comprehensive 3-year warranty. With a strong global footprint spanning over 70 countries, our brand delivers seamless OEM/ODM solutions that fully align with international compliance standards, serving as a trusted partner to Fortune 500 enterprises and top-tier technology leaders worldwide.

Merryking manufacturing facility

About Merryking

Two production bases across Shenzhen and Dongguan—purpose-built for high-volume OEM/ODM orders, from prototype to mass production.

Merryking product certifications

Safety, EMC & Energy Efficiency Compliance

We are committed to meeting international safety, all certifications are available for OEM projects and global product launches.

Details

Production Process

SMT Production Line

SMT Production Line

Aging Test

Aging Test

Assembly Line

Assembly Line

Packaging & Shipment

Packaging & Shipment

World map showing Merryking's global reach

20 Years of Procurement Peace of Mind

With two decades of procurement expertise, we've built our operations around what matters most: a 3-stage quality system (IQC/IPQC/OQC with aging tests and full traceability), transferable certifications (UL, CE, FCC, CB, UKCA) that eliminate costly re-testing for new markets, and predictable production across 9 lines with 800K+ monthly capacity—ensuring your orders ship on time, every time.

10,000m²

Production Area (Shenzhen + Dongguan)

800,000

Units Monthly Capacity

20+

Years Manufacturing Experience

280+

Global Certifications