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 equip...