The registration address of hunan kayama air pressure machinery ltd. Is located at two 910 science and technology parks located at 588 west side avenue, changshagau new development zone, with legal representatives working on general items such as: sale of machinery; sale of mechanical and electrical equipment; sale of gas-compressed machinery; sale of pumps and vacuum equipment; sale of electronics; sale of construction machinery; sale of hydraulic machinery and components; sale of exercise and powder metallurgy products; sale of specialized equipment for refining, chemical production; sale of refrigeration and air conditioning equipment; retail sale of hardware products; wholesale distribution of five gold products; sale of special equipment; sale of valves and cyclones; sale of instrument instruments; sale of specialized equipment for the protection of the environment; sale of wind machines and fans; sale of distribution of electrical and switch control equipment; sale of building decoration materials; sale of electrical works and powder metallurgy products; supply of equipment for the provision of communications services; provision of equipment for the exchange of communications services; provision of services for the exchange of communications services; provision of services for the non-restricting of human resources for the provision of contractual services. (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)