China A-Star’s Optical Glass Lens 1) Material: Optical glass ,Pyrex 3.3,Borosilicate glass 2) Techniques: by Molding, Grinding, Polishing 3) Quality : High surface quality and transimission 4) Lens series :plano concave lenses, double convex lenses,Plano Convex Lenses, Cylindrical lenses, Ball lens, Spherical lens, Aspheric lens, Meniscus lens. 5) Application : Lighting system and optics Fuzhou […]