About Us

A private enterprise that has long been committed to the research and development, production and sales of switching power supplies and chargers

Introduction to KEYU


Shenzhen KEYU Power Supply Technology Co.,Ltd. established in 2000, is committed to research & development, manufacture and sale of power supply,power adapter and charger. From the beginning of establishment,KEYU always holds the spirit of “Quality First, Customer First”, keep to supply superior quality, reasonable price, perfect pre-sales, after-sales service to get the continuous support and trust from clients. In order to meet the needs of increasing fierce competition and rapid high-tech development, KEYU is approved with ISO9001-2015 international quality system certifications and all of products are approved including CCC.FCC.GS.UL.CE.KC.PSE.RCM.BSMI.ROHS safety certification. After long years effort, KEYU nowadays already set up good cooperation with many well-known enterprises in domestic and international market.We will always adhere to the principle of "Quality creating the brand, Faith to win client " and "mutual cooperation, mutual benefit, common development" and win a bright future with you together! 

About Baishan


Baishan Intelligent Technology (Hubei) Co., Ltd. is a wholly-owned subsidiary of Shenzhen Keyu Power Supply Technology Co., Ltd., which was registered in the Photoelectric Industrial Park, Jianli County, Hubei Province on October 8, 2019. Covers 36,000 square meters area of standardized workshops in the industrial park (Building 2-1& 2-2), and invested 300 million yuan to establish four business divisions.

Switching Power Supply Division: Integrated R&D, production and sales of Switching Power Supplies, power adapters and chargers. Products are widely used in Communications, Security, Home Appliances, Audio & Video, Medical and other fields.

Magnetic Components Division: Integrated R&D and production of Switching Transformers. Products are widely applied to various types of switching power supplies.

Connector Division: Integrated R&D and productionof USB Cables and DC Power Cables. Products are widely used in the field of Power Supply and Terminal Power Conversion.

Medical Equipment Division: The R&D and production of Disposable Protective Masks and Disposable Medical Masks (nonsterile). Products are widely used in the Medical Industry.


Development path



Shenzhen Keyusheng Electronic Co., Ltd. established, mainly engaged in the processing of PCBA products such as DVD decoder boards


Passed ISO 9001 Quality Management System certification, the main business was transformed to the processing of power supplies


Renamed to “Shenzhen Keyu Power Supply Technology Co., Ltd.”, mainly engaged in R&D, production, sales and service of power supplies


Established the Injection Molding Department to realize the self-production of power supplies’ housing


Hubei branch factory “Baishan Intelligent Technology (Hubei) Co., Ltd.” was established. Expanding the production of power supplies, and also established production workshop of Magnetic Devices and Connectors to realize the self-supply of transformers and AC/DC lines.


Hubei branch factory “Baishan Intelligent Technology (Hubei) Co., Ltd.” passed ISO 9001 Quality Management System certification


Baishan Intelligent passed the ISO14001 environmental management system certification


Baishan Intelligent Technology won the title of National High-tech Enterprise