The registered address of chengdusideville air pressure company ltd. Is located at no. 288 east campus buffalo district, 2x01. The registration authority is the market supervision authority of the golden cow area, which is paid for by legal persons and covers general items: sale of gas compression machines; sale of mechanical and electrical equipment; sale of mechanical equipment; sale of mechanical parts and parts; maintenance of electronic, mechanical equipment (other than special equipment); sale of lubricants; engineering technical services (other than planning, surveying, design, supervision); leasing of mechanical equipment; sale of specialized equipment for environmental protection; energy efficiency management services; environmental consultancy services; contractual energy management; general equipment installation services; repair of general equipment; repair of electrical equipment; sale of instrument instruments; sale of material networking equipment; sale of consumer robotics; technical services, technical advice, technical exchange, technology transfer, technology promotion; import and export of goods; and import and export of technology. (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)