Direct angle iron flange duct | Jie Weinuo power companies (certified) | baodi angle iron flange duct provided by 捷维诺 (Tianjin) Co., Ltd. Jie Weinuo (Tianjin) Co., Ltd. (www.jieweinuo.com) is specialized in the "total of flange plate duct dampers, fans, ventilation ducts, evaporative air conditioners, cable tray" of the enterprise, the company adhering to the "integrity management, service intentions, "the idea, to provide you with the highest quality products and services. Welcome to inquire! Contact: Su Wei. Star Industrial Co., Ltd. [Jie Weinuo recommended angle iron flange duct] means that the edge width of 30 mm, edge thickness of 3 mm edge angle. Models can also be said that the price of angle iron flange duct, the model is the side of a few centimeters wide, as ∠3 #. Models do not represent different dimensions of the same model edge thickness, and thus the contract documents and other general angle of edge width, edge thickness to fill full-size, avoid using the model number alone. Hot-rolled edge angle specifications for the 2 # -20 #. Star Industrial Co., Ltd. [Jie Weinuo recommended angle iron flange duct] Jie Weinuo specializing in the production of ventilation pipes, angle iron flange duct, a total of flange plate duct, flangeless duct, spiral duct, fiberglass duct