The registered address of Qingdao Chengyang Yixin Machinery Equipment Co., Ltd. is Room 509, Building 2, No. 500 Zhengyang Middle Road, Chengyang District, Qingdao City, Shandong Province. The registration authority is the Market Supervision Administration of Chengyang District, Qingdao City, and the legal representative is Wang Xuele. The business scope includes general projects: sales of mechanical equipment; Sales of gas compression machinery; Sales of pumps and vacuum equipment; Sales of gas and liquid separation and purification equipment; Sales of lubricating oil; Mechanical equipment leasing; Sales of mechanical parts and components; Sales of mechanical and electrical equipment; Sales of generators and generator sets; Sales of refrigeration and air conditioning equipment; Sales of industrial automatic control system devices; Sales of special equipment; Sales of pneumatic power machinery and components; Installation services for ordinary mechanical equipment; Maintenance of electronic and mechanical equipment (excluding special equipment); Energy saving management services; Sales of electrical accessories; Sales of fans and blowers; Wholesale of hardware products; Sales of hydraulic power machinery and components; Sales of bearings, gears, and transmission components; Sales of gears, gear reducers, and gearboxes; Sales of valves and plugs; Sales of seals; Sales of rubber products; Sales of chemical products (excluding licensed chemical products); Sales of labor protection equipment; Sales of office supplies; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law)