Keyusheng Electronic 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' history in power supply manufacturing. Our company is approved with ISO9001 certificate and the products are produced complying with the standards including CCC, UL, FCC, GS, CB, CE, CUL and RoHS. We have a strong technological development team to ensure the products with advanced technology. Our well-disciplined and skillful QC members are crucial to the success of strict quality control and fast delivery in production. All the products undergo high-pot tests, initial tests, hot/cold tests, vibration tests and functional tests before leaving the factory. KEYUSHENG is proud of supplying high quality products to the market and gaining good reputation.

KEYUSHENG is continuously committed to making products be environment-friendly and energy-efficient. Our products are designed in line with the guidance of energy saving and harmless material regulation with the approvals of Energy Star and RoHS.

KEYUSHENG is a reliable partner to power your equipment and is able to ensure it works in the power of stability, reliability and safety. We are offering you the worry free power supplies for your facilities. Choosing KEYUSHENG to be your partner is your wise decision.

Your reassurance is our assurance.