... building materials, chemical industry, metallurgy and so on. It can crush materials in middle hardness such as rocks, ore, ... separating production line, rotary kiln, ball mill and also can accept product line or turnkey project. If you have ... Road, Zhengzhou City, Henan Province, China. // double roll crusher // High quality double roll crusher (2-140TPH capacity) with ISO9001:2008 certificate-Hongji