CRRC Hangzhou Digital Technology Co., Ltd is a technology-based subsidiary of CRRC group,which have a professional team of rail transit vehicles, electromechanical, photoelectric, algorithm, IT ..etc. We have set up operation center and R & D center in Qianjiang New City and Qiantang New District of Hangzhou.

A specialized machine that mechanically cleans the sewage from the surface of the track using air blower and sewage suction units. It is able to suck up the dust, soil particles and pebbles that have accumulated on the surface of the track beds of main railway lines, bridges and tunnels, in order to prevent such sewage from being drawn up by the high-speed train and damaging the bottom of the train and polluting the environment. This ensures the safe operation of the high-speed railway.