1. Inner tank: Import stainless steel SUS304-2B food grade; thickness:1.2mm 2. Outer tank: galvanized steel/Stainless steel SUS201, thickness: 0.4mm. 3. Vacuum tube: heat pipe 58x1800mm 4. The material of insulation:High-density polyurethane integrated foam-forming layer 50mm thickness 5. Frame(Bracket): galvanized steel/Stainless steel 6. Angle: As customer requirement 7. Heat preservation: 72hrs