The compartments is made of cold-rolled steel sheet or glass fiber reinforced plastic material , the compartments with heat insulation function , and the floor made of skidproof , waterproof and wear-resistant aluminum checkered plate ; The top of the compartments is closed and can not open , but the left and right side and the back can be expanded and there is vending bar on both left and right side. The internal compartments is installed with LED vending floodlights or two columns spotlight (5pcs / column), top exhaust fan,megaphone, master switch, USB interface, large space locker; The outside of the compartments is installed two loudspeakers, 105A battery, 220V external power supply interface , 15m external power supply cord, telescopic truck pedal; different truck color and skin stickers are optional .