... 3. Disconnect-type rack 4.grinding and buffing machine grinding and buffing machine, optical grinding machine X1 1. Equipped with planet grind disc ... . 2. The grinding plate and gear box of grinding machine are made of aluminu-alloy, not only less weight, ... construction cost. 5. We are the manufacturer of floor grinding machine, polishing machine, polishing pads etc. Certification: CE, SGS, ISO9001. 6 ...