... 4,Good packing--save your freight water/ oil /fuel/gas/tank truck1,Price:6-10% lower than other factory2,Short leading ... in seriea connectionTank material:Carbon steel/stainless steel/reinforced fiber glass/aluminumApproach/Departure Angle:20/12Top Speed(km/h):90Capacity(cube ... ):15, 20,25,30,35Option:refit according to customers' need tank truck