Inspection Archives

FACE MASK INSPECTION IN VIETNAM

25/01/2021, VIS TEAM The quality of protection a face mask can provide is crucial. A respiratory illness like the coronavirus is transmitted through aerosols, tiny particles that waft and hang in the air. Some virus-carrying particles are small enough to travel through or around lower-quality masks, making the wearer vulnerable

25
Jan

Inspection methods and standards for LED lamps

By VIS team Updated on Dec. 11, 2020 LED is the light-emitting diode, which has the characteristics of general diode. At the same time, it can convert the electric energy into light energy, which can be excited by DC with a certain voltage value to emit visible light. Compared with

11
Dec