??Now ??llid Communication??rand contains: OPS, Communication Observation and Control System, Electrical Remote Terminal & Terms Performance Test system, Power Telecontrol Communication Tester, 2M Transmission Analyzer, Data Communication Tester, Light Source, Optic Power Meter, Digital Variable Optical Attenuator and some other communication meters. 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