Zhangqiu Ruinian casting and forging co,LTD is a professional company in producing forged steel ball,grinding steel ball,grinding media,grinding media balls,grinding ball in China. Grinding steel balls are mainly applied in mines,power station,cement plants and chemical fields.The steel balls made by us are of high hardness, even wearing,good wearing resistance, no breakage,which can really reduce the cost for customers.The sizes are available from DIA20-150MM,which are strictly manufactured as...
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