... -cleaning ,Low operation cost,Control conveniently. rotating heat exchanger:High heat recovery efficency,Self-cleaning ,Low operation cost ... ,Control conveniently.Working Principle: The rotating heat exchanger has 2 typies: total heat recovery and sensible heat ... (Q)-12003,100~7,1001400460125012002609ZLX(Q)-13003,600~8,30015004601350130030010ZLX(Q)-15004,800~11,00017004601550150038011ZLX(Q)-17006, ...