Total plate flange duct Offers | Jie Weinuo Industry (certified) | Hebei flange plate duct is provided by 捷维诺 (Tianjin) Co., Ltd. Jie Weinuo (Tianjin) Co., Ltd. (www.jieweinuo.com) is specialized in the "co-flange duct dampers, fans, ventilation pipes, evaporative air conditioners, cable tray," the business, the company adhering to the "integrity business, hard service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Su Wei. [Jie Weinuo recommend to you the star product - price spiral duct duct unique advantages] spiral duct has the following characteristics: 1, the appearance of smooth co-flange duct type, zinc-free tumor, burrs, silvery white; 2, easy to install, less connection points; 3, small ventilation resistance, ventilation noise; 4, strength and rigidity are good; 5, thickness are controlled within 5-107μm the arbitrary choice; 6, no hydrogen embrittlement, No temperature hazards, ensure the mechanical properties of materials change; 7, may need to replace some of the hot dip galvanizing process; 8, good corrosion resistance, up to 240 hours of neutral salt spray test; 9, the use of hot-dip galvanizing method to complete a total professional duct flanges for highly corrosive environments of various acid, alkali mist, etc.; 10, according to customer requirements, designed a variety of customized duct [捷维诺 recommend to you the star product - Tianjin galvanized Duct] My company has the most advanced fifth-generation co-flange duct automatic production lines, Nissan duct 2400 m2. The production line of stainless steel, galvanized duct board is available in the form of plug or connect it directly compressed angle duct can also be integrally formed with the flange plates altogether.