The pure suction road sweeper is a brand-new high-tech product that has no secondary dust pollution and is superior in function to the traditional road sweeper! The car adopts the principle of vacuum suction, consisting of vacuum system, primary dust box, secondary dust box, dust recovery system, hydraulic system, electronic control system and walking system. It has a wide range of vacuum absorption and suction. It has the advantages of high rate, no secondary dust suction, no dust emission from the air outlet, and high work efficiency. It is the preferred product for sanitation cleaning and material recovery. It is suitable for industrial and mining enterprises with high dust, high concentration and large density which are easy to produce dust pollution; rapid cleaning and cleaning of urban elevated, express roads and bridges and tunnels; cleaning and cleaning of urban main roads, high-grade highways and highways.