The registration agency is the market supervision authority of the zhongjiang region, represented by chen ya, and operates on general items: sale of mechanical equipment; sale of metal cutting machine beds; development of mechanical equipment; sale of machine-bed components and accessories; sale of metal tools; sale of knives; installation services for general mechanical equipment; repair of general equipment; maintenance of electronic and mechanical equipment (excluding special equipment); technical services, technology development, technical advice, exchange, transfer of technology, extension of technology; import and export agents; and import and export of goods. (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)