We supply high quality 40ft fence cargo semi trailers with 60tons loading capacity 0.6m to 2m side walls, and the fence cargo semi trailer is a specialized for carrying 40ft cargo trailer, two 20ft containers, or one 40ft container without removing the side walls or frame. All the key component and parts used to make up the fence cargo semi trailers are purchased from qualified suppliers, so our trailers are able to withstand a long time of use, exhibiting great strength.