It consists of a total of flange angle code, flange clamps and integrally connected with the air duct flange connection, and low cost. It and traditional duct compared to a total of flange plate duct reinforcement, there are so many advantages, so the total of flange plate duct specification will inevitably replace the traditional air duct. Flange plate duct Corner, also called total of flange plate duct hook codes, is in the production process flange plate duct, and from fixed price total of flange plate duct connected to the role of galvanized sheet Corner fitting material, it was ninety degrees rectangular shape, the corner has long 8mm, sunshine total of flange plate duct 10mm wide oval, for by means of screws, the connecting duct to the effect that the production of co-plate method Lan duct must fittings. Flange plate duct reinforcement, Yao Fengzhen (online consultation), sunshine total of flange plate duct Lu right Tuen induced by the 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.