Changchun GoldDragonOptics is a professional manufacturer of precision optical components. Our core business is designing and producing custom optics products and crystals for the commercial and marketplace refer to laser, medicine, military, semiconductor and telecommunication APPlication areas. With its quality system ISO 9001 certified, the main productions are cylindrical lens, achromatic doublet lens, spherical lens, windows, prisms, mirrors filters,and wedge from infrared,optical glass, UV-grade fused silica, CaF2, Ge, Si, ZnSe, etc. All kinds of coatings are available.