◆ tank body: high quality high strength steel plate, electrophoresis rust proof treatment, corrosion resistance;

◆ suction system: adopt brand vacuum pump and AC asynchronous motor, connect with coupling, extract air from the suction tank, and make the tank body generate negative pressure. Then, the ◆ feces and sewage in the tank are transported to the suction tank through high-pressure hose, which is safe, stable and fast and convenient;

Clean water system: the carriage is additionally equipped with a clean water system, which is convenient for spraying and cleaning operation tools and external dirt of the carriage.