Key Specifications/Special Features:
1.Inner tank:Imported SUS304/2B food grade stainless steel
2.outer tank: Galvanized and aluminum plate or colour steel
3.Frame material: aluminum alloy 1.5mm
4.Insulation layer:50mm foamed polyurethane
7.Vacuum tube(Heat pipe inside):ø47-1500mm/ø58-1800mm 
8.Fastening pieces are made of stainless steel screw
9.With ISO9000,CE,certifications
10.OEM service provide