Qingdao E-Jiaxun Optical & Electrical Info Co.,Ltd is dedicated on providing domestic and overseas customers with high quality optical fiber communication instruments including OTDR, fiber fusion splicer,optical power meter,digital transmission analyzer and so on. They are widely used in the field of Telecom, Unicom, Power, Railway, Petro-chemical, Coal, Science and Research instituate and etc. Our production base designed and produced the first optical fiber fusion splice in China.Through ...   |