There are three bulk cement car. ① gravity discharging car: first appearance of bulk cement cars. It is installed by the normal dump truck made of sealed cargo compartment cover. Unloading cargo compartment tilting, the cement unloaded automatically by gravity. This method can only discharging and unloading of cement to the lower compartment of the position, unloading of cement dust, blanking larger. Contact: Li Yan :159 -2665-0801