cast steel grinding balls zetagrind
CAST STEEL BALL, FORGED STEEL BALL, GRINDING . Grinding Steel Ball Supplier Since 1995. We are a grinding steel ball manufacturer specialized in producing Cast Steel Ball, Forged Steel Ball, Grinding Cylpebs with full size range from 20mm to 150mm, Hardness can reach 66HRC,products used widely in cement plant,mining industry,AAC block factory,construction industry and power plant etc.