The registration address of hebei ionning mechanics and equipment ltd. Is located in the town of the town of porto, poizhou city, hebei province. The registration authority is the market supervision authority of the boeing city, represented by legal persons, including valves and rotors. Seismic relief, valves and accessories, dust removal and accessories, quantum design, production, processing, installation, sale; soundproofing works; hardware, plastics, rubber, chemical products (without dangerous chemicals), mechanical equipment, spring wholesale, retail; electrostatic spray paints. (projects subject to approval by law may only operate with the approval of the relevant sector; general operating projects may operate autonomously by law