Product DescriptionOur products has obtained ISO9001-2000 International Quality System Authentication, and also our company has passed ISO14001-2004 Environmental System Management Authentication. We hold the only grinding steel ball automatic production line of roll forging machine in China which we develop and create by ourselves. The raw materials that we use are high quality alloy steel. The quality of our products can meet different equipment of clients in different countries and regions. Forged grinding balls: (1) new type of high efficiency alloy forging steel balls Size: dia20-150mm Hardness: HRC50-60 (2)RCAB-2 new materials forged steel balls Size: dia50-150mm Hardness: dia50-100 HRC60-64 dia110-150mm HRC55-60 characteristic: high hardness, no breakage, good wear resistance and even wearing. Packing:Container bags 1000KGS/BAG or steel drum850-900KGS/DRUM Applied fieldhigh hardness, s:various mines, cement plants, power stations, chemical industries etc.