Shanghai hongri International Electronics Co., Ltd. was established in June 1997, is composed of Shanghai Hua Hong (Group) co., Ltd., Shanghai beiling co., Ltd., and Toyota Tsusho Corporation East cotton electronic joint venture, with registered capital of US $ 5 million.

Shanghai Rainbow day full change has traditional semiconductor points pin commercial of business mode, made to provides stability, and professional of electronic parts supply chain service and based on technology and the market needs of products promotion capacity as enterprise of core competitiveness, for large electronic machine manufacturers service, in provides system address programme, and assist manufacturers improved design, reduced cost, and improve logistics efficiency, area, for customer created additional value.