The registration address of shandong pool instrument ltd. Is located at the east school of the city of qingyang city in shandong province; 300 metres to the east of the primary school of the city of qingdung city community industrial park; sale of optical instruments; sale of parts of machinery; sale of smart instrument instruments; sale of specialized equipment for environmental protection; sale of experimental analytical instruments; sale of specialized instrument instruments for environmental monitoring; sale of instruments for air pollution monitoring and detection; sale of instrumentation instruments; sale of instrumentation instruments for electronic measurements; sale of eco-environmental monitoring and detection instruments; sale of glass instruments; sale of gas, liquid separation and pure equipment; sale of optical instruments; sale of optical equipment; sale of optical electronic devices; development of spare parts; sale of electrical accessories; sale of electronic equipment; sale of computing equipment; sale of office equipment; sale of electronic equipment; sale of electronic equipment; sale of electronic equipment; sale of metalwork equipment; provision of technical advice services for the production and distribution of chemical products; provision of equipment for the production of equipment; provision of equipment for the production and distribution of equipment by means and equipment; provision of equipment for the production of equipment for the production of a licensing projects (in addition to those subject to legal authorization, operating independently of the law on the basis of a business licence): inspection services; import and export of goods; import and export of technology. (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)