Drop-Side Trailers is kind of Drop-deck trailers (or Step-frame Trailer) with side walls and cargos fence for bulk cargos and small packed cargos.In order to let it can work more , we design the twist locks to make it can delivery contianers.
Platform Semi-trailers can refit with high fence to load more light cargos box transportation, With Side Pillars to strength the side wall can fit for the Steel beams or Rebar transportation or huge or small logs.
Totally ,Platefom Semi-trailers is born to be an mutipurpose semi-trailer for most of the normal cargo's transportation.