The company primarily sells: Double-sided Optical Lens Grinding Machines. Our main products include: models such as 16S, 16B, 13S, 13B, 9S, 9B, 6S, 6B, 4S, 4B, etc., which are high-precision single and double-sided flat grinding machines capable of polishing and lapping quartz crystals, silicon, germanium wafers, sapphire, ceramic sheets, optical glass, mobile phone glass, and watch glass, among other metallic and non-metallic materials.