1.Material of inner tank:  sus304-2B with 0.29mm

2.Material of outer tank:  202 stainless steel with 0.31mm

3.Vacuum tube: ￠58*1800mm

4.Number of tubes: 10.15. 18. 20. 24. 26. 30. 36. 40

5.Frame:  201stainless steel with 1.0mm

6.Insulation:  50mm polyurethane