... the OEM service for parts and accessories. Besides all kinds of mining equipments and parts, drawing design, technical consult & ... widely used for the highly fine power processing of 300 kinds of areas of non-flammable mine, chemical industry,and building ... than 6%, such as barite, calcite, potash feldspar, pencil stone, marble, limestone, dolomite, fluorite, lime, active clay, active carbon, bentonite ...