General projects: Engineering and technical research and test development; Software development; R&D of mechanical equipment; Metal forming machine tool manufacturing; Sales of metal forming machine tools; General equipment manufacturing (excluding special equipment manufacturing); Machining of mechanical parts and components; Sales of mechanical parts and components; Sales of electronic components and electromechanical components; Mold manufacturing; Mold sales; Software sales; Wholesale of electronic components; General equipment repair; Sales of mechanical equipment; Intelligent robot sales; Sales of pneumatic power machinery and components; Sales of hydraulic power machinery and components; Building decoration, plumbing pipe parts and other building metal products manufacturing; Sales of electronic products; Wholesale of hardware products; Sales of metal parts for construction; Sales of metal products; Metal structure sales; New material technology promotion service; Research and development of metal products; Domestic freight transportation agent; Non-residential real estate leasing; Leisure and sightseeing activities. (In addition to the projects that need to be approved according to law, the business activities shall be carried out independently according to law with the business license)