The registration address of the filtration facility ltd. Is located at no. 072 of the three villages of the sanctuary of sanctuary and leisure business park of guangan city, gobei province. The registration authority is the market supervision authority of zhang guangan county, which is represented by a legal person and is involved in the production, sale and distribution of: filtering equipment, dust removal equipment, environmental protection equipment; sale of: mechanical and electrical equipment and accessories, spare parts for filtering equipment, dust removal equipment, components for environmental protection equipment, plastics, filters, oil filters, filtering devices, moulds, chemical products (without dangerous chemicals); technical research and development, technical advice on filtering equipment. (projects subject to legal approval may not operate without the approval of the relevant department)