The registration address of the beyon pipeline plant in the hui autonomous district of mon village is located at the busai village factory in sinjo town, kau autonomous district of monzhou city, with the registration authority being the market supervision authority of menu autonomous district, with legal representatives and covering general projects such as architectural decorations, the manufacture of parts of the hydro-heating pipeline and other construction metal works; the sale of metal products; the sale of metal structures; the sale of metal materials; the sale of seals; the sale of compact items; the wholesale distribution of hardware; the sale of valves and rotor blades; the sale of anti-corruption materials; the sale of warmer materials; the construction of metal structures; the manufacture of ordinary valves and rotor (manufacturing without special equipment); and the sale of rubber products (in addition to projects subject to legal authorization, the autonomous operation ...