GLsun Science And Tech Co., Ltd founded in 2001, as a national high-tech corporation, specializes in the research, development and manufacturing of optical passive components, fiber test instruments and Optical protection equipment. GLsun also provides technical services for fiber-network project.With the super excellent location and climate, the favorable R&D base and strong human resource, GLsun gets quick and strong development. With the registered capital of ＄2,500,000, floor area of 10000㎡ and building area of 6000㎡, Glsun S&T zone was established in 2006 in the Guilin national high-tech industry park. Up to now, Glsun has offices in Shanghai, Shenzhen,Wuhan, Chengdu and Beijing.After more than 11 years efforts, GLsun has supplied hundreds of thousand high quality fiber optic components for domestic and overseas applications. Meanwhile, GLsun has acquired national patents in optical switch and optical test instrument, ISO-9001 and RoHS compliant. GLsun promises to abide by the scientific innovation, high quality and be honesty principle to pursue the quality.