In the cold winter, the cold flow immerses directly into the car, occasionally accompanied by wind noise, feeling like the door is not closed. This time, we need to check the sealing strip. The sealing strip can improve air tightness and prevent wind and rain from invading into the carriage. Once the sealing strip is aged and damaged, it will cause the carriage to leak rain, increase the noise of the driving wind of the car, and leak rain easily makes the body rust. It is not difficult to see that for automobiles, sealing strip is an important part, usually must be regularly maintained and checked. There are many sealed shops for professional vehicles on the market, tailored for different types of cars, accurately matching the slope and curvature of the original car curve, ensuring continuity between the various parts of the body, avoiding the occurrence of air separation at the junction, easily dissolving periodic wakes, reducing high-speed wind noise, and enhancing the airtightness and curvature of the original car. Dustproof capability.