The registration address of henan tinshi instrument technology ltd. Is located on the second floor of a01 park, located on the west side of camp no. 1 electrician house, new village city, henan province, with the registration authority being the new city market supervision authority, with legal persons representing ye jia hin; operating on general items: technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; sale of instrument instruments; sale of experimental analytical instruments; sale of smart instrument forms; sale of mechanical equipment; retail sale of hardware; sale of metal products; sale of valves and rotor equipment; sale of chemical products (other than licensed chemical products); sale of specialized chemical products (other than dangerous chemicals); retail sale of clothing; sale of household appliances; sale of agricultural products; sale of labour protection supplies; sale of construction materials; sale of medical equipment in category i; sale of synthetic materials; sale of plastics; sale of rubber products; sale of superconductor products; sale of glass instruments; sale of teaching equipment; retailing of stationery; supply of electrical appliances; sale of furniture; sale of office machinery; sale of equipment and repair of special equipment; sale of electrical equipment; maintenance of equipment