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 sealing strong management flange plate duct size, reducing the amount of air leakage than the angle flange duct leakage rate is 20% -30% Dali flange plate duct specifications, making operation more energy . Looks neat, light fittings weight saving materials, the construction process is simple, save time. High degree of mechanization, easy to factory production Dali flange plate duct size, greatly improving the accuracy and production efficiency. While straight pipe product interchangeability, saving installation work. Easy installation, fast, light weight, reduce labor intensity and working hours. Flange plate duct model, Yao Fengzhen (online consultation), Dali total of flange plate duct provided by Lu right Tuen induced fan Limited. Lu right Tuen induced fan Limited (www.dzydfjjg.com) is an industry leader in Shandong Dezhou, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Yao Fengzhen leadership with the staff warmly welcome all inquiries negotiations to create a better future Yao Fengzhen.