Licensed Projects: Construction project construction, Construction Engineering Design, Installation of civil air defense protection equipment, Urban domestic waste commercial 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: Landscaping project construction, Environmental sanitation public facilities installation services, Security equipment manufacturing, Security equipment sales, Plastic product sales, Plastic product manufacturing, Machinery and equipment sales, General mechanical equipment installation services, Firefighting equipment sales, Sales of rail transit engineering machinery and parts, Residential water and electricity installation and maintenance services, Building materials sales, Sales of building decoration materials, Hardware wholesale, Hardware product retail, Bearing sales, Auto parts wholesale, Auto parts retail, Motorcycle and spare parts retail, Motorcycle and spare parts wholesale, Fastener sales, mold sales, Sales of daily chemical products, Wholesale of kitchenware, sanitary ware and daily necessities, Sanitary ware sales, Metal structure sales, Metal structure manufacturing, Wearable smart device sales, Sales of intelligent basic manufacturing equipment, Engineering and technical research and experimental development, Sales of photovoltaic equipment and components, Concrete structural component sales, Manufacturing of special equipment for environmental protection, Sales of special equipment for environmental protection, Wastewater treatment and recycling, Water pollution control, Import and export of goods, Technology import and export。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)