It is used for train stations, passenger cars, high-speed rail and other vehicles. When the vehicles are parked at the station, they can supplement water for vehicles, or absorb and discharge sewage from high-speed rail. Riosi has mature supporting products to provide, as well as the use and installation of overall products solution. Main application: stainless steel outer cover, powder coating, dirt suction and washing unit, each unit is equipped with a 2 inch vacuum suction hose reel, and a 1 inch washing hose reel, the driving mode is spring, the working radius is 15 meters .