We can produce thin quartz plate with high polishing surface, using in high range phone, camera or other optical equipment. Specification:Material: JGS1/2/3Thickness tolerance: - 0.02mm--0.08mmDiameter and Shape: upon requirementSurface quality: 40/20,60/40, 80/50 We can professional manufacturer in optics.We use high quality quartz as material which can work long time in 1120 degree, Acid- ...