Licensed Projects: Construction project construction, 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 projects are subject to the approval documents or licenses of relevant departments.) General Projects: General equipment manufacturing( Excluding special equipment manufacturing), Mechanical and electrical equipment manufacturing,Metal material manufacturing, Metal structure manufacturing, Steel rolling processing, Electronic component manufacturing, Electronic components wholesale, Electronic components retail, Metal product sales, Metal material sales, Machinery and equipment sales, Mechanical equipment research and development, General mechanical equipment installation services, Import and export of goods, Technology import and export, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)