... , fly ash, the slag, slay, ceramic materials, composite pack materials. Rubber plastics: inorganic packing strength packing ultra ... papermaking, fibrous to strengthen packing etc. Metallurgy: metallurgical raw materials are ground, metallurgical waste residue, powder metallurgy, ... the solid offal, all kinds of powdery sewage disposal pharmaceutical. Electron: the electron molds of material, phosphor ...