Licensed Projects: Various engineering construction activities, Import and export of goods, Technology import and export, Import and export agent, Electrical installation services( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business items are subject to the approval results.) General Projects: Mechanical parts、 Parts processing, General equipment manufacturing( Excluding special equipment manufacturing), Hydraulic power machinery and components manufacturing, Mining machinery manufacturing, Mechanical equipment research and development, Machinery and equipment sales, General mechanical equipment installation services, Motor and control system research and development, Sales of industrial automatic control systems, Research and development of high-efficiency energy-saving technologies in the power industry, Mining machinery sales, bearings、 Gear and transmission parts sales, Material handling equipment sales, Artificial intelligence industry application system integration services, Sales of experimental analysis instruments, Wind farm related system research and development, Energy recovery system development, Research and development of key technologies for waste heat power generation, Research and development of high-efficiency energy-saving technologies in the mining industry, R&D of distribution switch control equipment, Sales of hydraulic power machinery and components, Software Sales, Electrical equipment repair, electronic、 Mechanical equipment maintenance( Excluding special equipment), Machinery and equipment rental, Software Development, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Domestic trade agent, Information technology consulting services( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)