... efficency,Self-cleaning ,Low operation cost,Control conveniently. rotating heat exchanger:High heat recovery efficency,Self-cleaning ,Low operation cost,Control conveniently.Working ... ~4,9401150400103010002107ZLX(Q)-11002,560~5,960200W1300460115011002408ZLX(Q)-12003,100~7,1001400460125012002609ZLX(Q)-13003,600~8,30015004601350130030010ZLX(Q)-15004,800~11 ...