The registration authority is yang zhiqiang, represented by tung zhiqiang, and is based on the registration address of yang zhang qiang village (no. 8 chang wangdong road) of yang zhong qiang, which operates in the areas of switch-off cabinets, blast-proof electrical appliances, bridge racks, parent lines, instrument tubes valves, metal products, castings, metal hoses, nylon hoses, hoses, wires, carpets, glass and steel products. General projects: manufacture of other general-purpose instruments; manufacture of hardware products (in addition to legally approved projects, operating on the basis of a licence)