Worldbest Optical and Electrical Technology Co.,Ltd. was established in 2008, headquartered in Qingdao, Shandong Province; Main products:Fusion Splicer,Optical Time Domain Reflectometer(OTDR),Optical power meter and Visual Fault Locator etc.We specializes in researching, designing and manufacturing optical test equipment, passive components and lots of other fiber optic products, is a leading supplier for providing integrated solution and technical support service for partners in network maintenance of optical communication, data communications, broadcasting and power maintenance,etc.More informtion please visit our websitehttp://www.communicateinstrument.comThank