Company's main products: Optical Glass Polishing Machines. Products include models such as 16S, 16B, 13S, 13B, 9S, 9B, 6S, 6B, 4S, 4B, offering high-precision single and double-sided polishing machines for materials like quartz crystals, silicon, germanium slices, sapphire, ceramic slices, optical glass, mobile phone glass, and watch glass, etc.