Flexible board type: main characteristic is working fulcrum is in central and working point is in fulcrum both sides, when press face of a working face, another working face is up, form is like seesaw.Since the 1980s, the switch gradually emerged, and widely used in buses, cars, ....
Switch classification: can be divided into two categories: with automatic reset and without automatic reset:A. Automatic reset: the basic feature is that the switch is in working state under the action of external force. Once the external force disappears, the switch can be autom....
1, the inside and outside glass of the car, rearview mirror and so on should often scrub, avoid because of a long time not to scrub and stained with difficult to remove stains.2, in rainy days, our windshield, rearview mirror often hang rain beads, at this time we need rain repel....