The registration address of the shanghai lines engineering company, limited, is located in room b384, room 318 shaw bay road, bong-hyun district, shanghai city, with the registration authority bong-hyun district market supervision authority, represented by a legal person, and includes licensed projects such as construction works, inspection services, quality inspection of construction works and surveying services. (projects subject to legal approval and subject to the approval of the relevant department for the operation of the operation, which is based on the documents or permits approved by the relevant sector) general projects: municipal waste management services; building cleaning services; distribution of piped transport equipment; professional cleaning, cleaning and disinfection services; municipal facilities management; water environment pollution prevention and control services; technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; and gardening works. (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)