[捷维诺 to recommend the star product - a total of flange plate duct] Jie Weinuo Industries is a manufacturer of integrated enterprise production and installation room ventilation systems, 2015 捷维诺 fight is excellent quality, good service, low prices, Integrity first. [捷维诺 to recommend the star product - black and white iron duct] Jie Weinuo Industrial production total of flange plate duct, also known as blue duct unable advantage is saving material, reduce engineering investment; a small amount of air leakage, reducing energy consumption, ventilation project completed on time, says Jie Weinuo Industrial afford, because the production is a one-stop production and installation. [捷维诺 to recommend the star product - a total of flange plate duct flange surface irregularities price] building ventilation systems, rectangular flange rotated 180 degrees, does not coincide with the same specifications of the flange screw inner edge size or two diagonal size does not exceed the allowable deviation equal influence duct components normally assembled at the construction site. Pinggu ventilation system | pharmaceutical ventilation systems | Jie Weinuo Industry (certified merchants) provided by 捷维诺 (Tianjin) Co., Ltd. Jie Weinuo (Tianjin) Co., Ltd. (www.jieweinuo.com) is specialized in the "total of flange plate duct dampers, fans, ventilation ducts, evaporative air conditioners, cable tray" of the enterprise, the company adhering to the "integrity management, service intentions, "the idea, to provide you with the highest quality products and services. Welcome to inquire! Contact: Su Wei.