In March 1990, a group of professional engineers and a sales team started Reign Power Co., Ltd. Since then, Reign Power has focused on the inventory of switching power supplies, coupled with state-of-the-art technology to ensure customers' satisfaction and to generate greater market recognition.

 With the increase in market demand and continuous supply, Reign Power has over 1000 power supply models between 3 Watts to 6000 Watts. 

To meet the objective of lowering cost and uninterrupted supply, Reign Power has started another office in mainland China (Su Zhou Branch), in June 2005, establishes Reign Power Technology (Shen Zhen) Co., Ltd. In additional of all, the RoHS has put on production line, and import in December 2005. 

2018 China, was awarded the "Contract-fulfilling, Credit-keeping" Enterprise.