... ,CCC,certificates,capacity 100-500L, special tank capacity can design for you, offer OEM pressurized water tank have many different capacities can choice, 100 ... design for you, more details pls check below: 1.inner tank: stainless steel 304-2B, food grade, thickness: 1.2mm/1 ... .5mm/2.0mm2.outer tank: import armor plate or color steel,thickness: 0.4mm/0 ...