kind of Automatic Hermetic Door. By setting a sealing device at the lower end of the door leaf, when the door leaf and the door frame are closed and closed, the movable rod of the sealing device c...
Walking into the hospital, we will find that white is the most common color design in medical spaces. This design style is usually interpreted as a symbol of professionalism, purity, cleanliness an...
The new crown virus has been raging for nearly two years. According to past experience, it should be coming to an end soon, but he does not seem to stop at all. It may be his last struggle, or...