The registration address of yamadong skystone environmental science and technology ltd. Is located in room 211 (office-only) of the 2nd floor of the golden city park no. 3 workshop, kinma, new city street, shandong province. The registration authority is the market supervision authority for the development of the new technology industry, represented by legal persons, and includes general projects: technical services, technological development, technical advice, technical exchange, technology transfer, technology promotion; export and import of goods; export and import of technology; technical development of technology; material networking equipment; marketing of materials; software development; instrument manufacturing; instrumentation and instrumentation; instrumentation repair of instruments; laboratory analytical instrument manufacturing; sale of laboratory analytical instruments; electronic instrument manufacturing; electronic surveying; sale of electronic products; production of specialized equipment for environmental protection; specialized equipment for environmental monitoring; specialized instrumentation instrumentation for environmental monitoring; atmospheric pollution monitoring and detection instrumentation; instrumentation of environmental pollution monitoring and detection instruments; instrumentation of environmental pollutant monitoring and detection instruments; environmental protection consulting services; equipment for the sale of environmental products and services; equipment for the sale of equipment for the production and distribution of environmental information equipment; equipment and equipment for the purpose of equipment for the production of (in addition to projects subject to legal authorization, activities are carried out on an autonomous basis in accordance with the law under a business licence) (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)