[Jie Weinuo to recommend the star product - a total of flange plate duct Price] flange surface is not flat, rectangular flange rotated 180 degrees, with the same specifications of the flange screw holes do not coincide fire pipeline system, the size of the inner edge or two diagonal size does not exceed the allowable deviation equal influence duct components normally assembled at the construction site. [Jie Weinuo to recommend the star product - a total of flange plate duct] Jie Weinuo total of flange plate duct, automatic air duct line, not only reduces the cost of piping systems, quality and appearance are the first underground pipes system, galvanized duct at the time of installation should start with the interface and elbows, reducers began to start, not free to change the elbows, reducers size. [Jie Weinuo to recommend the star product - a total of flange plate duct] Jie Weinuo total of flange plate duct, automatic air duct line, not only reduces the cost, quality and appearance are the first, galvanized wind tube at the time of installation should start with the interface and elbows, reducers began to start, not free to change the elbows, reducers size. Piping system installation, the registered capital of 50 million Jie Weinuo Industries, Hangu piping system is provided by 捷维诺 (Tianjin) Co., Ltd. Jie Weinuo (Tianjin) Co., Ltd. (www.jieweinuo.com) is a leader in Tianjin, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Industry leaders in Jie Weinuo staff warmly welcome all inquiries negotiations to create a better future Jie Weinuo Industries.