The registration address of hebei zeng engineering materials ltd. Is located on the south side of the northeast aids ltd., located in the zhuang zhuang zhuang park, hebei province, and the registering authority is the market supervision authority for the development of new technologies in water supply city, represented by legal persons in tang haitao. The scope of operations includes general projects: construction of metal structures; sale of seals; manufacture of metal wires and their products; sale of metal ropes and their products; transport and public management of metal signs; sale of metal products; engineering management services; electrical and cable operations; sale of rubber products; sale of plastics; sale of machinery equipment; research and development of mechanical equipment (in addition to the legally approved projects, autonomous operation of mechanical equipment in accordance with the law, under a licence)