We are a professional manufacturer of GRINDING STEEL BALLS in China. Products detail: SIZE: DIA20MM TO DIA150MM; PRODUCTION CAPACITY: 50000TON/YEAR CHARACTERISTICS: High hardness, Good wear resistance, no breakage, even wearing. APPLIED FIELD: mines, cement plants, power station, chemical industries etc. PACKING: By steel drum or Big bag I hope to have chance to do business with you.If you are interested, please contact me.