Licensed Projects: Gas Operation, Gas vehicle refueling business, Gas burner installation、 repair, Residential interior decoration, Professional construction work, Electrical installation services, Construction labor subcontracting, Heating services, Construction project construction, Installation, modification and repair of special equipment。( 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: Engineering and technical services( Planning Management、 Survey、 design、 Except supervision), Engineering Management Services, Sales of non-electrical household appliances, Wholesale of kitchenware, sanitary ware and daily necessities, Business、 diet、 Service-specific equipment sales, Supply of commercial instruments and meters, Car wash service, Special equipment sales, Car Sales, Valves and plugs sales, Energy Performance Contracting, Charging pile sales, Motor vehicle charging sales, Centralized fast charging stations, Daily necessities sales, Daily household appliances retail, Home appliance sales, Heat production and supply, Machinery and equipment sales。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)