... designed; Opting for high tensile steel Q345B, welded by automatic Submerged-Arc processes 505mm Height, Top Flange 14mm, width ... , middle 4 sets moveable up & down, of ISO twist lock 10)Spare Wheel Carrier One set of spare wheel ... Bulk cement truck13.Low plate semi-trailer,oil semi-trailer,van semi-trailer,bulk cement transportation semi-trailer,container semi-trailer,chemical liquid semitrailer,etc ...