Keyusheng Electronics Technology Co., Ltd., founded in Shenzhen in 2000, is a specialist in the design, R&D and manufacture of high quality Switch Power Supplies, AC/DC Adapters, Battery Conditioners and Chargers, which are widely used in the fields of MP3/MP4 players, Mini Notebooks, PCs, Tester Machines, LCD Monitors, Lithium Ion Battery Chargers, Digital Cameras, sound recorders, palm game players, DVD players, CD-ROM and hubs, ADSL AP, CDMA mobile phones and any portable devices or machines. Our ODM & OEM products are sold well at home and abroad.Keyusheng has over 10 years'...