Caractéristiques de performance du produit : This machine can meet all the cleaning demand of the industrial and business areas. With it coherent designs, it can provide the optimal cleaning strategies for the large area which requires the flexible and has small narrow channel limitation.It is equipped with a comfortable seat chair according with the ergonomics, and adjustable steering wheels. Its allocation turns to the automatically decreasing speed system,guaranteeing the security of the operator. It is so clear that the intelligent and humanistic control displaying panel, water volume and brush board adjusting,breakdown indications can be found immediately. It also equipped with the inductance system of water volume, fully protecting the brush board and water absorption system.