... efficiency 2.low noise 3.big capacity 4.long service Industrial Hammer Mill Product Name:ball mill, rod mill, bar ... Used in metallurgy, hydropower, mining, chemical, refractory, building and other industrial sectors, grind various hardness ores and other grindability materials.The ... Steel Ball Coal-grinding Machine: Wet lattice type ball mill, dry lattice type ball mill, overflow type ball mill, wet ...