Licensed Projects: Gas Operation, Gas vehicle refueling business, Heating services, Construction project construction, Construction project construction( Except for nuclear power plant construction and operation、 Civil airport construction), Gas burner installation、 repair, Electrical installation services, Road transport of dangerous goods( 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: refined oil wholesale( No hazardous chemicals), Heat production and supply, Petroleum product sales( No hazardous chemicals), Charging pile sales, Sales of new energy vehicle battery replacement facilities, Electrical equipment sales, Mechanical and electrical equipment sales, Instrument sales, Sales of station-based hydrogen refueling and storage facilities, Sales of new energy vehicle production and testing equipment, Sales of solar thermal products, Sales of solar thermal power generation products, Solar thermal equipment sales, Sales of solar thermal power generation equipment, Sales of photovoltaic equipment and components, Valves and plugs sales, Mechanical parts、 Parts Sales, Steam turbine and auxiliary equipment sales, Sales of pneumatic power machinery and components, Gas compression machinery sales, gas、 Liquid separation and purification equipment sales, Supply of commercial instruments and meters, Sales of generators and generator sets, Terminal metering equipment sales, Sales of smart instruments, New energy prime mover equipment sales, Biomass pellet fuel sales, Pipeline transportation equipment sales, Land use rights lease, Machinery and equipment rental, Transportation equipment rental services, Rental Services( No licensed rental services), Charging control equipment rental, Photovoltaic power generation equipment leasing, Electric vehicle charging infrastructure operations, Special equipment rental, Oil and gas technical services, Planning and design management, Industrial Design Services, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Engineering and technical services( Planning Management、 Survey、 design、 Except supervision), Solar power generation technology services, Power generation technology services, Motor vehicle charging sales, Centralized fast charging stations, Import and export of goods, Import and export agent( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)