在太陽能封閉管路，尤其是高溫需要熱量的釋放。DEZHI開發了一系列的創新和特殊的膨脹罐的太陽能系統適用于太陽能系統。

In the solar circuit the particularly high temperature requires heat relief. DEZHI has also developed a series of innovative and special expansion tanks for solar Energy systems. Satisfies the requests of the solar energy systems.