The registration address of hebei rock tube equipment manufacturing co. Ltd. Is located 88 metres eastward from the upper east-east of the kaupung mau mau mau quan autonomous district, hebei province. The registration authority is the market supervision authority of mon village hui autonomous district and is represented by zhang jun. It operates in the following areas: manufacturing, processing and marketing: plumbing equipment, plumbing units; preservation of piping units; sale of electrical plant spares, fittings, hangers, steel, sheeting, slabs, type materials, pipes, waterproof pipes, compensatorys, hardware, anti-conservation materials (other than hazardous chemicals), machinery equipment, petrochemical accessories, labour products, green building materials, rubber products, plastics, fire protection equipment. (projects subject to approval by law may only operate with the approval of the relevant sector; general operating projects may operate autonomously by law