Licensed Projects: Installation, modification and repair of special equipment, Special equipment manufacturing, Special equipment design, Special equipment inspection and testing。( 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: Special equipment sales, Hardware product retail, Hardware wholesale, Instrument sales, Coal-fired flue gas desulfurization and denitrification equipment manufacturing, Mechanical equipment research and development, Steam turbine and auxiliary equipment manufacturing, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Metal structure sales, Hydraulic turbine and auxiliary equipment manufacturing, Machinery and equipment sales, Mechanical and electrical equipment sales。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)