Business scope: Computer,
Sale,
N95 Medical Mask,
Production,
Electronic Whiteboard,
Import And Export Of Goods Or Technology,
Precision Optical Equipment,
Export Of Mask Equipment And Related Technical Services,
Disposable Mask,
Real Estate Lease,
Coating Material,
Photoelectric Products,
Car Display,
Cell Phone,
Tv Set,
Glass Product,
Thermometer Production And Sales,
Touch All In One Machine,
Production And Sales Of Civilian Protective Masks,