The registration address of the zhang gohou plant is located at no. 409 of the zhang gohou base in zhenghui county of the city of water supply, with the registration authority and the legal personality representing chen zhuang market supervision authority and covering general items such as rubber manufacture; rubber sales; plastic manufacture; plastic sales; regenerative resource sales; metal sales; rental of mechanical equipment; hardware manufacture; wholesale distribution of hardware products; sale of specialized equipment for environmental protection; sale of office supplies; wholesale distribution of stationery supplies; sale of metal tools; building decorations, parts of hydro-heating pipes and other construction metal products; sale of metal structures (no. In addition to projects subject to authorization under the law, activities are carried out autonomously in accordance with the law and in accordance with the operating licence)。