Lao Yang Chassis Maintenance Center in the suburb of Yangquan sprayed chassis armor. Lao Yang Chassis Maintenance Center, located in Yangquan City, Shanxi Province, was established on 20 18. This is a retail-oriented enterprise. The scientific name of chassis armor is automobile chassis anti-collision, rust prevention and sound insulation, a high-tech adhesive rubber asphalt coating. Non-toxic, high covering rate and strong adhesion, and can be sprayed on exposed parts such as vehicle chassis, wheel hub, oil tank, automobile lower panel and trunk. After rapid drying, a firm elastic protective layer can be formed, which can prevent the impact of flying stones and gravel, avoid the corrosion of moisture, acid rain and salt on the chassis metal of the vehicle, prevent the chassis from rusting and protect the driving safety of the owner.