Founded in 1999 , Optolong Optics Co., Ltd is a technology company that design&manufacture high precise optical thin film coating filters . We have served more than 700 worldwide clients , including Top50 EMS suppliers and global 500 enterprises . Involves applications of life science , biomedical , astronomical , laser , defense etc. ISO9001 certified , also TUV Rheinla and Bureau Veritas certified . All of Optolong products are RoHS and SGS standard . Optolong owns a team of experienced managerial personnel , professional R&D group and skilled technicians , can provide variety of high-tech optical filters as per customers requirements . We provide quality products , reasonable prices and in time delivery . Continuously creating value for clients . Email: opto@optolong.com ;market@optolongfilter.com; http://www.optolongfilter.com Tel: 86-871-68317717 Fax:86-871-68317850 Add: Room 1526,Lenovo Tech center,Kepu RD,Kunming ,650102,Yunnan,China
