... so on. Features1. Application of new polymer materials, larger air-flow, lower noise, compact structure2. ROHS environmental protection authentication3. ... are extensively used in HVACR system,Heatpump,Cleaner,Air Curtain,FFU,Air Refreshing,Air Circulation and other industries. Our products are widely ... , Φ317, Φ320, Φ325, Φ350, Φ352, Φ380…and so on.Cross Flow Fan Blade:Φ77, Φ81, Φ85, Φ88, Φ88.8, Φ89, Φ ...