... 2.Not only used for transport wood,steel,but container Utility wood transport semi trailer:Side wall semi ... lock and stand columnNot only used for transport wood,steel,but also transport 20ft,40ft,45ft container, ... the beam is 500mm,upper plate is 14mm,down plate is 16mm,middle plate is 8mm.Side beam is ... ' requirement.Tools boxOne pieces with each pcs. Wood transport semi trailer is not full range of ...