... on. It can crush materials in middle hardness such as rocks, ore, coke, lump coal, slag, mineral slag, cement ... is the company which is specialized in manufacturing roll crusher, Jaw crusher, Cone Crusher, big and medium crushing equipment, sand making ... City, Henan Province, China. // double roll crusher // High quality double roll crusher (2-140TPH capacity) with ISO9001:2008 certificate-Hongji ...