The Joint Dredging truck is also called the sewer dredging truck. It is a new type of special truck for environmental sanitation that combines the functions of high-pressure cleaning truck and sewage suction truck. The highlight function of the truck is to dredge the blocked area of the sewer that cannot be reached by manpower, so it is called the joint dredging truck. Other functions of the car are floor washing, sewage suction and drainage, landscaping, etc.