Sinoprime Optical Industry Co., Ltd. (SINO-OPTO for short, whose predecessor was Jiangyin Optical Instrument & Materials Co., Ltd.) is one of the leading manufacturers specialized in optical components, optical instruments and related spare parts/accessories in East China. With around 15 years' experience in this line, we have a professionalized team for precision optical designing, processing, examination and quality-guarantee mechanism for production, taking the lead in precision optical component processing and microcrystalline glass research and processing in this line.