Business scope: all kinds of engineering construction activities; residential interior decoration; goods import and export; technology import and export; waste electrical and electronic product processing; construction labor subcontracting (projects that are subject to approval in accordance with the law can only be carried out after approval by relevant departments.  The specific business projects are subject to the approval documents or licenses of the relevant departments) General projects: landscaping engineering construction; technical services, technical development, technical consulting, technical exchanges, technical transfer, technical promotion; tree planting operations; timber sales; arts and crafts  And collectibles wholesale (except ivory and its products); arts and crafts and collectibles retail (except ivory and its products); gift and flower sales; mechanical equipment sales; chemical products sales (excluding licensed chemical products); furniture sales;  Sales of building materials; sales of building decoration materials; sales of metal materials; sales of metal products; wholesale of hardware products; retail of hardware products; sales of construction steel products; sales of wires and cables; sales of construction machinery; sales of thermal insulation materials; heat and sound insulation  Sales of materials; sales of building waterproofing membrane products; sales of labor protection products; wholesale of computer software and hardware and auxiliary equipment; retail of computer software and hardware and auxiliary equipment; sales of electronic products; sales of industrial automatic control system devices; sales of security equipment; wearable smart devices  Sales; sales of special equipment for environmental protection; sales of instruments and meters; sales of lighting equipment; sales of sporting goods and equipment; sales of solar thermal power generation products; maintenance of transportation facilities; business management consulting; housing leasing; advertising design and agency;  , TV stations, newspapers and periodicals publishing units); advertising production; property service evaluation; property management; recycling of renewable resources (except for productive scrap metal); recycling of productive scrap metal; sales of renewable resources (except for items subject to approval in accordance with the law, based on business license to carry out business activities independently according to law)