Shanghai Shangfuyuan Machinery Equipment Co., Ltd.: Business scope includes general projects: sales of mechanical equipment; Sales of pumps and vacuum equipment; Sales of metallurgical specialized equipment; Sales of valves and cocks; Sales of distribution switch control equipment; Sales of specialized equipment for refining and chemical production; Sales of electrical equipment; Sales of non-ferrous metal alloys; Sales of refractory materials (Except for projects that require approval according to law, business activities shall be conducted independently based on the business license in accordance with the law)