Ble for double grinding or polishing metal plate, especially for the stainless steel tableware(fork, spoon, and knife). The machine is applicable for grinding and polishing of the metallic (non-metal materials) surface, and also for surface treatment before plating. It can assemble abrasive wheel, cloth wheel, flax wheel and ect. Polishing wheel. For that, it's suitable for mirror polishing or sanding. The workbench of the Machine can shuttle back and forth (adjustable displacement distance) and wag in the left or right side (optional) automatically. Therefore, it's an economical and practical machine combine with good quality, powerful functions and high efficiency. So, it's represent the advanced technology in Chinese polishing machines.