Shenzhen Zhonghan Science & Tech. Co., Ltd., is a subsidiary company of FSP GROUP. Focusing on Power Supply industry sinc1989, FSP establish SPI in 1993, providing high quality Powe Supply and good service.

Ever since, SPI has been dedicating to Prompt Service Competitive Price and Constant Improvement.SPI is also specialized in customer design and production of Power Supply.

Today, SPI is proud of being a world leader in mass production of ATX Power Supply, IPC Power Supply, open frame, adapter, inverter, converter. Standing at the forefront of Power Supply industry, SPI has devoted to innovatory product design. This spirit of innovation,with strong production teams, has enabled SPI maintainin continuous growth in market share. All the archievement is attributed not only to SPI sales team's hard work, but also to SPI's strong R&D team and manfacturing facilities. All of those factories are ISO 9001 certificated with total production capacity 2000K units monthly.

SPI strives endless to be a successful and reliable business partner to our customers and will live up to our motto: "Service, Professional, Innovation".