General Projects: gas、 Liquid separation and purification equipment manufacturing, oil refining、 Manufacturing of special equipment for chemical production, Refrigeration、 Air conditioning equipment manufacturing, Mechanical and electrical equipment manufacturing, Instrument Manufacturing, Manufacturing of special equipment for environmental protection, Mechanical parts、 Parts processing, Electronic special equipment manufacturing, Electronic components and electromechanical assembly equipment manufacturing, General equipment manufacturing( Excluding special equipment manufacturing), Sales of electronic components and electromechanical components, gas、 Liquid separation and purification equipment sales, oil refining、 Sales of special equipment for chemical production, Instrument sales, Mechanical and electrical equipment sales, Sales Agent, electronic、 Mechanical equipment maintenance( Excluding special equipment), Motor and control system research and development, Mechanical equipment research and development, New material technology research and development, R&D of special electronic materials, Information system integration services, Research and development of waste heat, waste pressure and waste gas utilization technology, Research and development of key technologies for waste heat power generation, Technology import and export, Import and export of goods。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations) Licensed Projects: Special equipment manufacturing, Installation, modification and repair of special equipment, Special equipment design,Ⅱ、Ⅲ Sales of radiation-related devices。( 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.)