Jiangsu hanksen compressor limited, with its registered address at no. 20, midway e, changkun industrial park, changkun industrial park, changju town, changju city, changju city, with the registration authority being the administrative approval authority of the city of adversity, and the legal person's representative, has a general scope of operation: technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; sale of gas compression machines; sale of mechanical equipment; sale of metal materials; sale of industrial automatic control system devices; sale of labour protection supplies; sale of industrial textile products; sale of pumps and vacuum equipment; leasing of mechanical equipment; engineering management services; engineering and technical research and experimental development (in addition to legally approved projects, operating autonomously on the basis of a legal licence)