Total plate duct flange without flange duct known as Qianjiang District duct flange plate production line, its production in the form of more efficient than the traditional rectangular duct processing speed, more convenient and less air leakage rate. The advantage is saving material Qianjiang District flange plate duct production line, reduce the project investment; a small amount of air leakage in Qianjiang District of flange plate duct production line, reducing energy consumption and save operating costs, popular construction enterprises welcome. Flange plate production: standard straight line from top direct compression piece flange. Non-standard pipe, after the elbow, three, four, accessories, cutting, complete TDF flange forming on a single device. Flange plate duct manufacturers _ Qianjiang District flange plate duct _ Yao Fengzhen Lu right Tuen induced by the fan Limited. Lu right Tuen induced fan Limited (www.dzydfjjg.com) strong, credible, Shandong Texas fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead into the brilliant Yao Fengzhen and you work for a better future!