The registration address of ningxia nintang environmental protection equipment ltd. Is located in silver road, ningxia yongning county, on the south side of company no. 2 (self-declaring) in the east ko petrochemical co. Ltd. House, 600 metres south. The registration authority is zhang fujian county market supervisory authority, which is represented by legal persons and includes the production of specialized equipment for the protection of the environment in its general scope of operation; sewage treatment and its reuse; sale of mechanical parts, parts and components; sale of metal materials; wholesale distribution of hardware products; sale of daily department goods; sale of electrical appliances; sale of chemical products (other than licensed chemical products); sale of electronic products; technical services, technological development, technical advice, exchange, technology transfer, technology promotion; installation services for household appliances; installation services for general machinery (in addition to authorized operations, self-employment of items not prohibited or restricted by law)