The registration address of shenzhen science and technology ltd. In shenzhen city is located on the street of shenzhen city in shenzhen city, located on the 3rd floor of the north side of shenzhen city on the street of shenzhen science and technology, with the registration authority being the dragon charter supervisory authority of shenzhen city. The legal entity is represented by li shenzhen market supervision authority, which operates in the form of environmental engineering installation services; garbage sorting equipment, garbage disposal equipment, garbage removal vehicles, mobile public toilet development, marketing and related product systems integration services; municipal waste management services for cleaning, collection, transport and disposal; garbage drums, gardening chairs, flower basins, flower boxes, advertising lamp boxes, display racks, billboards, waiting booths, machine cabinets, equipment outer shells, design, research and development, marketing and installation services; mechanical equipment and accessories, plumbing equipment, hardware, building materials, metal materials, plastics, design, development, distribution and installation services; glass and glass and leisure furniture, glass and steel decoration works, design, research and development, sale and installation services; design, research and construction of commercial space, research and construction of plastic production of gold products, such as garbage collection equipment, garbage disposal equipment, garbage removal vehicles, mobile latrines; garbage cans, garden chairs, flowerpots, case boxes, advertising light boxes, display racks, billboards, waiting booths, machine cabinets, equipment casings; production of mechanical equipment and accessories, plumbing equipment, hardware, construction materials, metal materials, plastics; production of glass and steel leisure furniture, glass and steel basins, glass and steel decoration works, video and television equipment; production of commercial space beauty; production of sculpture works, works of art (without ivory and its products)。