... be designed according to customers're quirements. Aluminum Semi-trailer:Aluminum wing-open semi-trailr:Length(mm)Width(mm)Depth(mm)Whole ... (kg)Wheel base(mm)13000255033505500290008000+1310,7900+1360Aluminum oil semi-trailer:Length(mm)Width(mm)Depth(mm)Whole weight(kg) ... +1360Also there we can build Oil semi-trailer,flatbed semi-trailer and as well as wing-open semi-trailer etc,so please don't hesitate ...