ISO 40 feet oil tank container, 1,normal 40m3,capacity according to customer request 2,5mm ... tank 3,oil transportation ISO 40 feet oil tank container 1,Structure:Frame Tank Container2,shell material:stainless steel 316 ... of Seal Head materials(mm)8 Cornerpost materials16MnManhole cover, Breather valve, Foot valveDomestic made or imported ISO 40 feet oil tank container