201 stainless steel balls are widely used in various hardware industry steel balls, steel balls for handicrafts, steel balls for plastic products, such as steel balls for lamps, switch balls, motorcycle parts steel balls, luggage rod steel balls, bearing steel balls, and guide rail steels. Balls, die-casting steel balls, stainless steel polishing balls are usually used to remove defects and polishing of various hardware parts, so that the workpiece can achieve a smooth and bright effect: copper parts, aluminum parts, silverware and so on. In addition, steel balls can also be used to grind medicinal steel balls and chemical raw materials.