Well-offserieslShellmaterial:high-technologycolorplate.thicknessis0.31mmlInnermaterial:SUS304-2Bplate,thicknessis0.41mm.lBracketmaterial:domesticgoodnessgalvanizedsheet，sprayingplastics，highlycorrosion-resistant.lVacuummaterial:highborosilicateglasslSpecificati***:Φ47-1500mmseries：16G,18G,20G,24G,30G,36GΦ58-1800mm,Φ58-2100mmseries:18G,20G,24G,30G,36G)