[Jie Weinuo Industrial Star recommendation spiral duct] spiral seam steel pipe, small footprint advantages of spiral duct processing, the relative insulation also used less than the rectangular pipe installation easy. Galvanized steel pipe environmental protection and good price spiral duct, [Jie Weinuo Industrial Star recommendation - spiral duct] Jie Weinuo Industrial spiral duct horizontally mounted stainless steel spiral duct production, diameter or less the size of the long side of 400mm, spacing is not should be more than 4m; greater than 400mm, should not exceed 3m. Support and hanger spacing spiral galvanized spiral duct can be extended respectively to 5m and 3.75m; flange galvanized sheet steel for spiral duct, its support and hanger spacing should not exceed 3m. Stainless steel spiral duct Xiqing price _ _ Jie Weinuo stainless steel spiral duct provided by 捷维诺 Industries (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!