It has advantage of no water in tube, no filthy, no broken tube, anti-freeze, unlimited time of the inputting water and pressure operation.
Insulation adopts the polyurathane which has good insulation efficiency.
The frame adopts the imported stainless steel, which is strong and against the corrosion.
Tail stock has a novel design and is available to be installed.
Outter tank:Stainless steel or galvanized steel
Inner tank:Stainless steel or galvanized steel
Frame:Stainless steel or galvanized steel
Vacuum tube with heatpipe
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