0 Shandong Huamin Steel Ball Joint-Stock Co.,LTD
Shandong Huamin Steel Ball Joint-Stock Co.,LTD logistics solutions provider in China. Get the full contact information at JCtrans. ... 1.Forged steel balls: Diameter:20mm-150mm Hardness: HRC55-65 2.High chrome casting iron balls: Diameter:17mm-120mm Cr content:10-14% Hardness:HRC56-63 Features: High and steady hardness,no …