Joinwit Optoelectonic Tech Co.,xxxxx a professional manufactuers of fiber optic products from handheld style to benchtop style including fiber optic test instrument(power meter,light source,talk set,fiber xxxxx),passive components(patchcord,pigtail,attenuator,xxxxx)as well as some other equipment(fusion splicer,terminal box,tool xxxxx).The products Joinwit provides is not only in good quality but also in competitive price.Joinwit has established reliable relationship with the customers at home and abroad.Joinwit did and will continue to do his utmost to meet the needs of the customers.