After the ore beneficiation or smelting residue after called slag! Industrial production, slag plays an important role, especially in some major factories. Made use of slag refining and processing of slag cement, slag powder, slag powder, slag cement, slag wool, blast furnace slag, granulated blast furnace slag, copper slag, slag vertical mill. Saves energy. Also, due to the large ... Company Website www.zzmdks.com www.mdzhishaji.com www.mdssx.com