Total plate flange duct known as flangeless duct, its production in the form of more efficient than the traditional rectangular duct processing speed, more convenient, smaller total of flange plate flange plate duct leakage rate pictures. The advantage is saving material, reduce engineering investment; a small amount of air leakage in Tianjin direct ventilation ducts, ventilation ducts to reduce energy consumption in Tianjin factory, saving operating costs, popular construction enterprises welcome. Flange plate mainly by Corner, flange clamps, and one with the wind pipe flange connected connection duct Although this form of low cost (reducing the amount of angle iron, reducing the amount of manual production angle flange), However, the practical application of it is better angle flange firmly, air leakage is large, and must be processed by the machine, handmade hardly achieve its production process Tianjin ventilation ducts, usually applied only to new air system, air conditioning system, exhaust system is often used angle flanged duct. [Jie Weinuo to recommend the star product - a total of flange plate duct] Jie Weinuo Industrial production flange plate duct duct, advanced wind pipe flange plate production equipment, four meters long large scissors trigger external processing, large-scale spraying line external processing. Tianjin ventilation pipe production, Tianjin ventilation ducts, ventilation ducts provided by 捷维诺 preferred Jie Weinuo 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!