The registered address of shanghai valve self-control equipment ltd. Is located in shanghai, shanghai city, on road 629 in baung-hyun field, with the registration authority of the bong-hyun district market supervision authority, represented by legal persons, and covers general items: sale of pumps and vacuum equipment; sale of valves and rotors; retail sale of hardware products; wholesale distribution of hardware products; sale of electronic devices and electromechanical components; sale of mechanical and electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electronics products; sale of supply instrument instruments; sale of instrument instruments; sale of smart instrument instruments; sale of distribution switch control equipment; sale of metal products; technical services, technology development, technical advice, technical exchange, technology transfer and technical promotion. (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)