The legal person is liu dang, represented by liu dynasty, whose registered address is located at the guangan county high shipping filters industrial park. The legal entity includes the manufacture, processing, sale and installation of: filters, filters, environmental equipment, dust removal equipment; packaging of paper boxes; sales: filtering materials, hardware products, plastics, rubber products, engineering machinery parts, hydraulic equipment, environmental pollution treatment equipment; maintenance of environmental protection equipment, filtering equipment; import/export of goods, technology import/export, agency import/export; technical advice, technical services for filtering equipment (subject to the approval of the law and approval of the relevant authorities)*