Cold patching material is a kind of high-tech road patching material, which can be used all day and is suitable for patching different types of roads in any weather and environment, such as asphalt concrete roads, cement concrete roads, parking lots and airport runways. After years of continuous improvement and perfection, the performance of Jinoute cold patching material is more mature. It is superior to hot-mixed asphalt and emulsified asphalt mixture in quality and use. Because of its advantages of simple operation, long storage time, good repair quality, wide application and environmental protection, it has been widely used in many municipal roads, ordinary highways and expressway in China.