... Butterfly cone fan for poultry house 1.Energy saving motor 2.Imported bearing 3.CE certificate 4.Stainless steel ... , low noise and durable5.High performance energy saving fan motor located in the center of fan, small wind resistance, the structure ... .Wind capacity is 48000m3/hSale network: Aonuodi product are popular in Beijing, Shanghai, Guangdong, Yunnan, Liaoning, Hunan, Hebe, Jiangsu, Zhejiang, and ...