Detailed Product Description 1.Raw material: Borosilicate glass, Pyrex, Borofloat, 2. Processing: by Grinding, Polishing3. Surface ... lens, Spherical lens, Aspheric lens, Meniscus lensoptical lens,round lens,temper lens6. Application: Lighting system, Electronics, Electrical apparatus, Industries, ... , Molded lens, Spot lens, light shade, Light cover,glass cover,glass shade,glass sheet,temper glass