Founded in 2005, Merryking is a certified Chinese manufacturer of high-quality power adapters and chargers. With our own factory and brand, we offer OEM/ODM solutions, global safety certifications, low MOQ, and fast delivery, all while ensuring top-notch product quality.
Wide voltage range (3V–24V) adapters ideal for consumer electronics, LED lighting, and home appliances, fully compliant with UL and CE standards.
Compact, durable, and customizable wall adapters with interchangeable plugs for different regions, perfect for export to the US and EU.
High-efficiency desktop adapters designed for computers, routers, and industrial devices, offering stable output and long service life.
Multi-country plug configurations supporting China-to-US, EU, UK, and AU outlets — ideal for OEM travel accessory brands.
Reliable USB-A and USB-C power adapters with fast-charging technology, built for mobile device and consumer electronics manufacturers.
Compact, powerful, and cool-running. Revolutionize your charging experience with our advanced, space-saving GaN technology for faster, efficient power.
Our power adapters are UL, CE, FCC, GS, and RoHS certified, ensuring seamless entry into North American and European markets with full legal compliance.
Merryking’s facility follows ISO9001 standards with stringent quality control, ensuring each unit meets the high reliability expectations of international importers and distributors.
From plug types to housing color and voltage output, we provide complete customization to help clients meet regional compliance and market preferences.
Whether you’re ordering small pilot runs or bulk shipments, we offer flexible MOQs and efficient production schedules to keep your business moving.
Enjoy direct-from-manufacturer pricing with no middlemen, transparent cost breakdowns, and dedicated logistics support for consistent, on-time delivery.
When you partner with Merryking, you're not just selecting a manufacturer—You're choosing a strategic partner committed to ensuring joint success and mutual benefit.
With over 20 years of experience, Merryking stands as a trusted Chinese manufacturer supplying premium power adapters to global brands and distributors. Our in-house R&D and automated production lines ensure quality and reliability at scale.
We prioritize client success through fast response times, technical support, and flexible OEM/ODM collaboration. Our focus on safety certification, customization, and efficient global delivery makes us the partner of choice for global importers.
At Merryking, we proudly participate in exhibitions worldwide each year.
We eagerly anticipating the opportunity to connect and engage with our valued partners and clients.
We look forward to meaningful meetings and fruitful discussions at these events.
We value our partnerships with you, working together to deliver exceptional solutions and drive mutual success.
“Merryking’s adapters have been the most reliable in our supply chain. Their team understood our OEM requirements and delivered consistent quality every shipment..”
Pump Manufacturer
“We switched to Merryking for faster delivery and better compliance documentation. Their responsiveness and production speed exceeded our expectations.”
Wholesale Partner
“Their technical team helped us design a custom adapter series for our brand launch. The quality and packaging were excellent.”
Medical Purchasing Manager
Below are some frequently asked questions regarding power adapter wholesale and service, if you can't find what you're looking for, please just contact with us.
Yes, we specialize in OEM and ODM production, supporting logo printing, plug configuration, cable length, and voltage customization.
All Merryking adapters are UL, CE, FCC, GS, and RoHS certified, ensuring compliance with major global markets.
Standard orders ship within 3–4 weeks, while customized OEM orders may take 5–6 weeks depending on specifications.
Yes, we offer low MOQs for new clients or pilot projects to help you evaluate quality before bulk purchasing.
Each adapter undergoes strict electrical testing and inspection before shipment, following ISO9001 quality management protocols.
We mainly export to North America, Europe, and Asia-Pacific, serving electronics distributors, OEM brands, and import wholesalers.
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