... for drying water slag, calcium carbide slag, limestone, clay, river sand, quartz sand and other materials. Qiangyuan’s water slag ... all can use slag driers, such as slag, limestone, clay, river sand, quartz sand, water slag, coal slime, sludge and ... 50 Our products have been exported to different countries: The quality is guaranteed by the certificate: About UsHenan Qiangyuan Machinery Co.Ltd., owning ...