XM200K road milling machine is a kind of asphalt concrete pavement maintenance construction machinery mainly for large-area excavation and refurbishment of asphalt concrete pavements of highways, urban roads, airports, goods yards and parking, etc. It can effectively remove the upheaval, oil swell, cobwebbing, track, etc of pavement; excavate the pavement pit and groove; and also can be used for the brushing of cement pavement and milling of surface staggering. This equipment has a high working efficiency, simple construction technology, easily controllable milling depth, convenient and flexible operation and good maneuvering characteristics. The materials resulting from milling can be directly recycled and widely used in the renovation, maintenance and curing of bituminous concrete pavement.