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second floor commercial building south of zouping,Zibo,Shandong,China China
grinding steel ball dia from 30mm to 100mm chemical element material C MN SI CR S P surface hrc core hrc 65mn 0.6-0.7 0.9-1.2 0.17-0.37 0.25 0.035 0
65MnForged Grinding Steel Ball For Mining In general, grinding steel ball has high hardness: surface hardness to 55-68 HRC, volume hardness of 50-63
65MnForged Grinding Steel Ball For Mining 1.Feature: 1) In general, grinding steel ball has high hardness: surface hardness to 55-68 HRC, volume hard
الشخص الذي يمكن الاتصال به Mr. liu jian
عنوان second floor commercial building south of zouping, Zibo, Shandong
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