Established in 1998, Joinwit Optoelectronic Technical Co., Ltd. Is the Hi-tech enterprise. Who specialized in R&D, manufacturing and selling a full rang if Optical T&M as well as Optical passive components in both domestic and oversea markets. Joinwit has been awarded ISO9001 certificate of Germen TUV, EMC certificate, ROHS certificate, and Hi-Tech Enterprise Certificate, We also acquired many technical patents on the development and applications in the field of Fiber Optic area. Joinwit ...