Shenzhen SDG information optical network technology Co, LTD 粵ICP備08023238號
Shenzhen SDG information optical network technology Co, LTD is a subsidiary company limited of Shenzhen SDG information holdings, the company formerly known as Shenzhen SDG information Corp of indoor optical fiber cables of the cable Division Research Department, beginning in 1998 the development of indoor optical fiber cables, and in 2003 by Shenzhen Bureau of science and technology on scientific research and identification.