... 120pcs;Inner tank: Food class SUS 304 2B stainless steel sheet with thickness of 0.5mm;Inner tank Dia: 310mm, 360, 500mm ... corrosion;Outer tank shell: Stainless steel, Al-An zinc steel sheet, or Anit-corrosion Fluorine carbon steel plate;Outer tank Dia ... .: 420mm, 470mm, 600mm;Insulation material: High pressure PU foaming with thickness of 55mm;Stand: Stainless steel profile, high intensity aluminum ...