Germanium polishing machine company mainly sells: Germanium polishing machine company's main products include: (can grind and polish metal and non-metal pieces such as quartz crystals, silicon, germanium pieces, sapphire, ceramic pieces, optical glass pieces, mobile phone glass, clock glass, etc.) Models include: 16S, 16B, 13S, 13b, 9S, 9B, 6S, 6B, 4S, 4B and other high-precision single and double plane polishing machines.