Grinding Ball,Grinding Balls include: forged steel  balls: dia 20mm --- dia 150mm; the high, medium and low Chrome alloyed casting iron balls,chrome steel ball,: dia17mm --- dia 100mm. They mostly apply in various mines, cement plants, power stations, chemical industries etc. The specialties: high hardness, no breakage, good wear resistance, even wearing and also it has obtained a high reputation from customers in domestic and foreign market.