Sand blasting, sanding and rust removal, painting and spray painting, metal smelting, industrial dust collectors, cement, steel mills, thermal power, air conditioning, metallurgical casting, batteries, packaging, carbon black dust, powder industry, rubber powder, glass, chemical industry, static electricity industry, welding fume, container, shipbuilding, abrasive granulation, sand absorption, air compression station, aluminum plant, material transportation, steel plate pretreatment, dust removal on the roof of the warehouse, etc.