Trusted Power Solutions Since 2005

Merryking Electronics (est. 2005, Shenzhen) is a direct manufacturer of certified power adapters and chargers (1W–420W).With 200+ staff, scalable production, and 100% aging-tested quality, we offer competitive pricing and a 3-year warranty.Our proprietary brand serves 70+ countries, partnering with Fortune 500 firms like Honeywell and Calix through reliableOEM/ODM solutions that meet local compliance standards.

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