... cost Our company develop and manufacture plate heat exchanger and related parts by our own factory. ... oil, Preheating of seawater for fresh water production, Heat recovery, Heat exchange to air-condition the passengers’ ... Water, Steam, Acid, CausticF26-55~+230° CAcid, Caustic, FluidTPF0~+160° CConcentrated Acid, Caustic, High-temperature Oil, Steam JQ1 plate heat exchanger for water,pool heat exchanger ...