Jiangsu hydere metal materials ltd., with registered address no. 56-651 in liangxiang district, nishi city, is the administrative approval authority for liangxi district, with legal representatives guo yongqin and general projects: sale of metal materials; sale of metal products; sale of metal structures; sale of high-quality special steel materials; sale of machinery and equipment; wholesale distribution of hardware products; sale of mechanical parts, parts and components; information consultancy services (without licensing information consultancy services) (in addition to legally approved projects, operating on an autonomous basis under a licence)