The registration address of the company is located at no. 005 of guo's spring park in guangan county, mauiangang city, hebei province. The registration authority is the zheng yang's municipal market supervision authority, represented by a legal person, and operates in the following areas: design, development, production, processing and sale of specialized environmental equipment, dust removal equipment, filtering equipment; sale of: mechanical equipment and accessories, hydraulic equipment, oil filters, dust removal units, apostilles, seals, air pressure parts, purification equipment, accessories for excavators, filtering equipment and accessories, valves, gold products, filtering networks, filters, filtering paper, filtering caps, instrumentation forms; technical advice on filtering equipment, technical services; exhibition services; import and export of goods, technology, import and export agents; production, brokering, advertising. (projects subject to legal approval may not operate without the approval of the relevant department)