middle chrome Casting Ball:1:high hardness 2:little breakage 3:low wear rate 4:We own two automatic production lines middle chrome Casting Ball Our products used in many field,such as, cement,power,industry,chemical,mine,station and so on.the new products is high hardness,litter breakage,low wear rate,good wear-resistantno mal-roundness,Guoyang wear-resisant materials are making frist class ...
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