1.Poultry exhaust fan with CE 2.Import belt 3.Air Volume 46000m3 / h 4.Shutter ... reach the best wind suck effectSale network: Jienuo product are popular in Beijing, Shanghai, Guangdong, Yunnan, Liaoning, Hunan, Hebe, Jiangsu, Zhejiang, and ... customers. Aonuodi Exhaust Fan JFD-1250E for Greenhouse/Industrial/Poultry with CE certificate