China Hot Sale Forged Steel Grinding Media Ball for Ball
2) High hardness Good wear resistant 3) Size:Dia20mm150mm 4) Breakagelt;1% 5) Certification: ISO9001,SGS. a. Grinding steel ball material: The high quality round steel. b. Grinding steel ball application : 1) Cement Plant 2) Coal Mining, Gold Mining,Silver Mining, Copper Mining 3) power stations 4) Chemical engineering :