Changchun Hengyi Optics Co., Ltd established in 1996, is a leading photonics designer and integrated manufacturing company on various fine-finished and high precision optical elements. Hengyi has always committed to constant improvement in standards and customer total satisfaction by continuously improving its technical core, effectively enforcing strict quality control in the whole process, and aggressively pursuing and incorporating all the possible technology and equipment that are available today to provide competitive product to meet customers&＃039; rising demand for differentiation. Hengyi is specialized in researching, developing, manufacturing and export business of various standard optical elements. With more than ten years experience and efforts of our staff, we have several series of optical products, such as optical crystal, cylindrical lenses, parabolic lenses, filters, prisms, beamsplitters, polarisers, windows, mirrors, spherical lenses, diffraction gratings, phase retarders and so on. And also, Hengyi would like to manufacture special products according to customers� requirements. Hengyi staff takes the spirit of innovation, reputation, excellence, aspire after advanced technologies and facilities, mass production and well organized management, strict inspection system, prompt delivery and competitive price and complete after service for provide high quality products to extend the market and meet customers� requirements. With the guideline of "Quality First, Reputation First, Clients Uppermost, prompt Delivery", Hengyi always makes all-out efforts to provide specialized optical products with high international standards.