The registration address of shanghai al tsai environmental technology ltd. Is located at no. 2097, new zhuang village road in the song river area of shanghai; the registration authority is the market supervision authority for the song river region, which operates on behalf of a legal person and includes general items: technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; environmental advisory services; environmental pollution prevention and control services; environmental pollution services; environmental pollution services; installation services for environmental sanitation; sewage treatment and recycling; solid waste management; collection and use of rainwater, brackish water and mine water; development of microbiological fertilizers; development of intelligent water systems; development of research and development technology for the recycling of resources; online energy monitoring technology; research and development of sanitation equipment; integration of smart control systems; promotion of environmental protection services; sale of specialized equipment for the manufacture of and distribution of waste equipment; sale of electrical and electronic equipment; sale of electrical equipment; sale of electrical equipment and electrical equipment; sale of electrical equipment; and sale of electrical equipment and electrical equipment. (a) licensing of projects (in addition to projects subject to legal authorization, operating on an autonomous basis under a business licence): construction works; operation of municipal waste services. (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)