Business scope: China Unicom,
Security Engineering,
One Type,
Security Network System,
Electronic Product,
Household Appliances,
R D And Sales Of Chemical Products,
Equipment,
Law,
Smart Campus System,
Network Technology,
Hardware,
Optical Disinfection Products,
Lighting Project,
Chemical Raw Materials,
Medical Masks,
Communication Products,
Operating Import And Export Business,
Internet Equipment,
Exclusive Control,
...