Grinding and polishing machines manufacturer / supplier in China, offering 120L High Speed Metal Hardware Jewelry Mirror Grinding Vortex Centrifugal Polishing Machine, 120L Automatic Separator High Speed Grinding Vortex Centrifugal Polishing Machine for Jewelry, 18L Customised Colours Wet and Dry Grinding Vortex Centrifugal Disc Finishing Machine for Jewellery and so on.