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Yangjun village,Guanzhuang town,Jinan,Shandong,China China
連絡先担当者 Ms. Sara Liu
住所 Yangjun village,Guanzhuang town, Jinan, Shandong
main including: new type of high efficiency alloy forging steel ball, RCAB new material forging steel balls, high chrome casting iron balls, low chrom
Grinding steel balls: Diameter:20mm-150mm Hardness: HRC55-65 2.High chrome casting iron balls: Diameter:17mm-120mm Cr content:17-28% Har
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