Hangzhou OpticTrans Communication Tech. Co., LTD (OpticTrans) with its head office in Hangzhou China, We are one of the professional suppliers specializing in R&D, manufacturing and sales of fiber optic transmission and communication equipments. OpticTrans offers a wide selection of fiber optic equipments, our main products areas includes: optical transmitter, optical amplifier (EDFA, YEDFA, etc.), optical receiver, optical node Dispersion Compensation Module, Optical Switch, SAT-IF ...