Transverse beam bearing structure of well-hole wagon and connecting structure with wagon side wall
Lightweight roof for movable partition wall of railway wagon
LARGE-VOLUME GRAIN HOPPER CAR SUITABLE FOR LOW-LOADING HOPPER BIN
LARGE-VOLUME GRAIN HOPPER CAR SUITABLE FOR LOW-LOADING HOPPER BIN
Hopper car capable of unloading on one side or two sides outside track
Deformation-resisting supporting device for railway flatcar open type draft sill
Rotating and sliding integrated type double-function movable head cover
Railway vehicle-mounted vacuum self-suction type environment-friendly toilet comprehensive system
Railway vehicle-mounted vacuum self-suction toilet container