[Jie Weinuo to recommend the star product - flange plate duct price advantage] Jie Weinuo unique production of galvanized duct board, duct flange angle iron, spiral duct flange plate duct non-steel connection, made from galvanized steel duct flanges direct repression Tianjin galvanized duct price, duct integrally formed with the flange. Advanced production technology, accurate cutting loss is low; the product shape, smooth lines, quality and variety; air leakage is much lower than the national standard; so that production factory ventilation ducts reach, scale, standardization and automation. [Jie Weinuo Industrial Star recommendation - flange plate duct] Jie Weinuo a step by step approaching Tianjin Industrial galvanized duct thickness, rely on the integrity, quality, service, Jie Weinuo Industrial forever, for the sake of Tianjin galvanized Duct manufacturers, exhaust ventilation Industrial Engineering in 2015 without you having to worry about selecting Jie Weinuo. [Jie Weinuo to recommend the star product - galvanized duct] Jie Weinuo Industrial operating more than 10 years of production and installation of ventilation ducts, the annual output of 300,000 tons of galvanized steel pipe business, large-scale project to install exhaust ventilation.