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 model is a few centimeters wide edge, 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 #. [Jie Weinuo Star recommendation - angle iron flange duct] angle iron flange duct air duct factory Which is better, a length is 1.25 m air duct engineering quotes, connect with angle iron. Most used; exhaust pipe air duct installation specifications, easy installation, duct external processing, finished or semi-finished products made. Air duct engineering quotes, Tonghua air duct, Jie Weinuo Industrial installation company by 捷维诺 (Tianjin) Co., Ltd. Jie Weinuo (Tianjin) Co., Ltd. (www.jieweinuo.com) strong, credible, in Tianjin fans, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jie Weinuo Industrial and you hand into the brilliant, for a better future!