Merryking is a professional power adapter manufacturer for almost 16 years, with 2 factories in Shenzhen China, integrating R&D and production together.Our main products are linear transformer, switching power supply, USB charger and other related customer electronics. We attained ISO9001 Environmentaly Management Certification and most safety certifications in the world, including UL/cUL, FCC, PSE, GS, CE, BS, RoHS, REACH, SAA, CCC, C-tick, CB, IRAM, S mark, NOM, EAC, etc.Merryking regards "Reasonable Price, Efficient Production, Considerate Service" as our tenet, and hope to cooperate with more customers for mutual development and benefits!