材料：水箱外壳采用进口氟碳板材料，食品级不锈钢内胆，整体机发泡保温层，清华技术真空管，电泳，抛光氧化处理铝合金支架。

特点：耐腐蚀，耐氧化，使用寿命更长，外型高雅，美观大方。

Material: The outside drum adopts imported Fl-C plate especially both firm and anti-corrosion. The inner tank adopts SUS304.2B stainless steel， and the warm keeping layer is made from the polyurethane molding by imported air compressor. The density of the warm keeping layer is 33% and its thickness is 55mm， the diameter of the water tank with vacuum tube (Φ47) is 420mm， the inner tank is 310mm. the diameter of the water tank with vacuum tube (Φ58) is 470mm， the inner tank is 360mm. Tsinghua technology is used in vacuum tubes， and the bracket is made of aluminum alloy.

Feature: strong anti-corrosion and anti-oxidization ability is against the awful polluted environment such as acid rain. Moreover， its style is also graceful and handsome.