- grinding media steel ball
- 2017-01-14 01:11
- 1.Material:steel2.Place of Origin: Jiangsu, China (Mainland)3.High hardness: The surface hardness can be 57- 67HRC: the
- hot-rolled grinding steel ball
- 2016-10-24 00:28
- Thehot-rolledgrindingsteelballfromHuaZhenghavetheprecisesize,roundedgeometry,highhardness,goodmechanicalpropertiesandals