Duct is piping systems for air transport and distribution. Duct according to the sectional shape and material classification. Press the cross-sectional shape, the wind can be divided into round duct, galvanized sheet duct size, rectangular duct, Alxa League galvanized duct board, duct and other oblate, including round duct of least resistance the height of the largest production complex. So the application of a rectangular duct based. Division I professional production of wind pipes and fittings and provide installation services, such as 45 degrees / 60 degrees / 90 degrees elbow, T / Y links, oblique tee, is Stone, Y cross, reducer, eccentric reducer, size head, hemispherical dome, square inscribed circle, inscribed, end caps, flanges and other products. Widely used in ventilation duct, cleaning, textiles lost cotton, dust, air conditioning, ventilation and other fields, especially for the airport, the textile industry, stadiums, exhibition halls, theaters, City Hall, coal and other large area, high spatial venues. Alxa League galvanized sheet duct | Yanda air conditioning | galvanized duct board produced by Wu County Yanda air-conditioning plant. Alxa League galvanized sheet duct | Yanda air conditioning | duct galvanized sheet production is Wu County Yanda air-conditioning plant (www.wcydkt.com) (www.wcydkt.com) this year introduced a new upgrade, more pictures for reference only, please call Tel picture on this page or to obtain the latest information, contact: Wu Yusong.