Star Industrial Co., Ltd. [Jie Weinuo recommended angle iron flange duct] angle iron flange duct advantages: 1, appearance, good airtight (no leakage) 2, automate the production of reinforcement to increase the strength of the wind pipe 3 daily output of large, short lead times, can meet the schedule requirements 4, less bolt connection, light weight, convenient installation, improved installation efficiency, lower installation costs 5, save and invest or purchase production equipment purchased or leased equipment costs] angle iron flange duct advantages: 1, appearance, good airtight (no leakage) 2, automate the production of reinforcement to increase the strength of the duct 3, output large angle iron flange duct, short lead times Jiaotie How much duct flange Yeah, can meet the schedule requirements 4, connecting bolts, light weight, convenient installation, improved installation efficiency, lower installation costs 5, save and invest or purchase production equipment purchased or leased equipment costs [McNair dimension Connaught Industrial Co., Ltd. Star recommendation] angle iron angle iron flange duct duct flange structural strength is stronger, no welding, no riveting, all galvanized sheet fabrication, good corrosion resistance quality angle iron flange duct, tight connection air leakage rate. Duct finished its appearance, size, accurate rules, shape, smooth lines, air leakage is far below the national standard. Direct angle iron flange duct, east angle iron flange duct, Jie Weinuo Industrial ventilation ducts provided 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!