Quinshan city, with a registered address of 3 units located at 150 bo wei road, zhangpur township, with a registered body, the quinshan city data office, with a legal representative, operating under licence items: import and export of goods; import and export of technology (projects subject to legal authorization and subject to the approval of the relevant authorities, subject to approval); general projects: sale of experimental analytical instruments; sale of test machines; sale of refrigeration and air-conditioning equipment; sale of instrument instruments; repair of instrumentation; retail sale of hardware products; sale of electronic products; sale of mechanical equipment; general-purpose equipment; repair of specialized equipment; software development (run autonomously under a licence, except for projects subject to legal authorization)