Fuel tank trailers also called fuel tank semi-trailer are various types according different shapes,materials and volumes.The tank shape can be designed as square tank,elliptical tank,round tank and goose neck tank according to customized.The material is usually carbon steel,stainless steel,aluminum alloy and other steel plate.The tank body could be divided into different compartments with multiple reinforced waves proof clapboards.The volume of tank are available from 30 to 60 cubic meters and axles could be done 2,3,4 axles according to customized.