4F,A4 Building,Lugu International Industrial Park, No.229,Tongzipo West Road, Changsha High-Tech Development Zone

Changsha Guotong Electrical Technology Co., Ltd. is a specialized company integrating the R&D, design and marketing of power system automation products as well as related services. Our company...

switching matrix,digital video optical transceiver,Conference call system,Audio-visual information comprehensive control system...