1.high efficiency and energy saving 2.long service life 3.good after sale service 4.super quality and favourable price 1. simple ... , slag , gypsum, tailings , sludge , kaolin , activated carbon, coke powder and other end , Powder , waste, waste residues, are widely used in ... ball solid foundation. After the main roll for feeding and secondary pressure, the pressure of materials multiplied, squeeze the ...