Manufacturer of Optical Transmission and Access equipment which include MSPP SDH Mux, PDH, PCM Mux, TDMoIP, Interface and media converters. Founded in October 1992, Beijing Huahuan Electronics Co., Ltd (Formerly known as Beijing Tsinghua Huahuan Electronics Co., Ltd) is a hi-tech company with majority holdings by Tsinghua University, one of China's most prestigious universities. Backed by research facilities and technological expertise of Tsinghua University, Beijing Huahuan Electronics is dedicated to providing leading transmission and access network equipment with carrier-class reliability, thus contributing to the development of domestic and worldwide information industries. Huahuan is located at Beijing Shangdi Information Industry Base － one of the first National Electronics Information Industry Parks. The registered capital of Huahuan is RMB 52,429,485.