Shenzhen GuangWangTong Technology Co.,Ltd. (GWT in brief) is a high-tech enterprise specialized in R&D, manufacturing and marketing of fiber optic products Our Products include fiber optic cable, fiber media converter, fiber optic patch cords, optical transceiver, digital vedio converter, optical coupler, optical modem, optical connector, and optical distribution frame, which have been widely used in electric power, broadcast and TV, telecom, Unicom, CNC and so on. 　　Our products are sold to many countries and areas, such as Hong Kong, Taiwan, USA, the U.K, Australia, Singapore, Japan, India, Malaysia and so on