With the advancement of science and technology, metal detectors have been updated and developed from electron tubes, transistors and even integrated circuits, and their applications have been expanded to almost all fields, which play an important role in industrial production and personal safety. There are two types of metal detectors: (1) Installed on the automatic conveyor belt of the factory p
In order to strictly prevent the import of overseas epidemics, all airports and departments across the country(in China) conduct frequent disinfection of key parts of airports and crowded places with strict disinfection and no dead ends, and report killing data daily. Only by preventing and controlling the epidemic can we effectively stop the spread of the epidemic from the source and achieve bett
When a singer passed the security check at the Capital Airport, he was stopped for a separate self-examination channel because he had not taken off his hat, and the question was checked separately, which caused everyone's doubts about the airport security check. Even a trapeze with countless miles cannot pass through security every time, because each departure or arrival airport has different r
New popular actions for epidemic prevention | spray room, disinfection gun, disinfection cabin in all directions for preventing coronavirus(COVID-19), is it necessary?
Lifting security bollards are being accepted by more and more users due to their many advantages such as safety and beauty. The retractable bollard is mainly divided into three types: automatic lifting type, semi-automatic lifting type and fixed type; the automatic lifting type lifting bollard is further divided into hydraulic lifting type and electric lifting type. This automatic lifting bollard
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