Star Industrial Co., Ltd. [Jie Weinuo recommend spiral duct] spiral duct installation significantly reduces the junction spiral duct material between pipe and tube, so that the pipe junction leakage is reduced to a minimum, a typical spiral wind tube length is 3 ~ 6m production of spiral duct, while the typical rectangular duct length is only 1 ~ 1.5m; and connecting two spiral duct fittings just one, but the traditional rectangular duct connections are often necessary a fully independent double flange system. (Jie Weinuo Industrial Star recommendation spiral duct) large diameter spiral duct spiral duct, galvanized spiral duct for ventilation auto 4S shop, custom specifications, timely delivery, to undertake various ventilation engineering fabrication and installation. Spiral duct company, Jixian spiral duct, spiral duct Jie Weinuo Industrial quality 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!