The registered address of tishen welding materials ltd., south palace city, hebei province, is the temple village of tung dynasty, the municipality of changtai city, with the registration authority being the south palace city market supervision authority, represented by the legal person wang junchou and operating on general items such as the manufacture of metal chains and other metal products; the sale of metal chains and other metal products; the sale of non-ferrous metal alloys; the sale of mechanical parts, parts and components; the sale of machinery equipment; the sale of specialized equipment for environmental protection; and the import and export of goods. (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)