The registration address of nanjing pure science instruments ltd. Is located in room no. 12032, ninhua road, located on the streets of the nanjing six-zhuong factory, and is the administrative approval board of the jiangbei district management committee of nanjing city, represented by a legal person, and covers the production, sale and maintenance of grinding equipment; maintenance and sale of instrumentation instruments, water treatment equipment; chemical products, laboratory equipment, analytical instruments, glass instruments, chemical reagents, electronic accessories, rubber products, hardware and power delivery, metal materials, mechanical and electrical equipment, machinery equipment, furniture, communications equipment, digital products, office automation equipment, sale of office supplies; sale of computer software and hardware and technical services; technical services for electronic products; and commercial information consultancy. (projects subject to legal approval may not operate without the approval of the relevant department)