Our products have been widely used in the communication operators like China Telecommunications, China Mobile, China Netcom, China Unicom, China Railcom, China Satcom and so on, also used in the communication network such as Oil, Coal, Port, Electric Power, Army, and we always gain wide acceptance from the clients. At the meantime, we obtain the first agent of Japanese brand: Yokogawa, Fujikura, Sumitomo; American brand: Noyes, 3M, Agilent, JDSU; Canadian brand: EXFO, and try our best to empolder the world communication meters’ market with the world’s leading manufacturer of communication test instrument, meters and communication equipment together.