[Jie Weinuo Industrial Star recommendation - flange plate flange plate duct] mainly by the Corner, air duct construction flange clamps, and one with flanged duct connected, although the cost of this form of air duct lower (reducing the amount of air duct angle, reducing the production of artificial angle flange amount), but it is better to practice solid angle flange, air leakage is large, and must be processed through the air conditioning duct processing machines, manual making hardly achieve its production air duct flanges, usually applied only to new air system, air conditioning system, air exhaust system still often flanged pipe with angle. [Jie Weinuo to recommend the star product - the price of black and white iron duct unique advantages] Jie Weinuo Industry registered capital of 50 million yuan, to undertake large-scale fire smoke ventilation engineering. Select Jie Weinuo assured ventilation engineering enterprise. [捷维诺 to recommend the star product - a total of flange plate duct] The company was established in 2003, is rich fire smoke ventilation engineering experience, with advanced production equipment and technical personnel, the registered capital of 50 million yuan Jie Weinuo Industry . Round air duct, Jie Weinuo Industrial Case Metro Line has been certified Xiqing air duct is provided by 捷维诺 (Tianjin) Co., Ltd. Jie Weinuo (Tianjin) Co., Ltd. (www.tjjwnsy.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.