Nanjing Youjia Technology Co., Ltd., established on 2005-07-29, Business scope includes computer and peripheral equipment sales,Technical Service and Repair;software development,Sales,Serve;public safety equipment,Traffic engineering equipment,Building intelligence and municipal engineering,Electrical Equipment,Design of Power Engineering Equipment,Sales,Install,Technical Services;energy saving,Environmental Protection and Industrial Pollution Control,Design of engineering and equipment for waste treatment and comprehensive utilization,Sales,Engineering installation;Artificial environment control equipment,Communication Electronics;microelectronic integrated circuit,office equipment,Instrumentation,Sales of optical, mechanical and electrical integration equipment;Consulting and services for high-tech projects;Self-operated and agent import and export business of various commodities and technologies(Except for commodities and technologies that the state restricts enterprises to operate or prohibits import and export);arts and crafts,Office Supplies,gifts,Souvenirs,Daily necessities,Stationery sales;Multimedia production(Does not include film and television production);All kinds of domestic advertising design,make,acting,release;Power transmission and transformation engineering design,construction,technical consulting;Undertake,undertook,Test power supply equipment(A license or approval is required to operate);Electrical equipment installation,debugging,repair;Electrical equipment and accessories,Sales of building materials;Labor dispatch;drone,R&D of industrial robots,design,Sales,Leasing and technical consultation,Technical Services;Mapping service;Research and development of infrared temperature measurement equipment,Sales and technical service.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)