The product precision is among 3 to 200 grades. The specifications of steel ball vary from φ 0.8mm- φ 65mm. The products are widely used in the industries such as bearing，aeronautics and astronautics industry, automobile industry, precise apparatus, meters, motorcycle, bicycle, medical apparatus and food machinery etc.

Main Martierial：Carbon ，Chrome steel ，Stainless Steel Balls，Ceramic Balls