Chengli Group Dongfeng Tianjin sweeper-washer is one of the main equipment for urban road cleaning. Three-in-one operation mode: achieves "sweep, wash, and suction" simultaneously, cleaning dust and fallen leaves, washing road stains with high-pressure water, and recovering sewage to avoid secondary dust. Large-capacity tank: equipped with fresh water tank and garbage bin, common models have fresh water tank capacity up to 9-10m3 and garbage bin capacity up to 7-8m3 for long continuous operation. Environmental design: uses negative-pressure suction system and sewage recovery device, no sewage overflow during operation, effectively controls dust, meeting urban sanitation environmental requirements.