[Jie Weinuo Industrial Star recommendation - a total of flange plate duct ventilation ducts] Jie Weinuo Industrial franchise, finished or semi-finished square duct manufacturers, customers can directly galvanized duct processing plant, the processing fee is cheap, ventilation engineering production installation, cooperative units Electrical Co., Ltd., Tianjin Construction Company. Jie Weinuo Industrial Star recommendation - a total of flange exhaust duct] accident shall be the amount of exhaust ventilation systems often use and accidents common exhaust ventilation system is guaranteed. Accident exhaust fan should be separately indoors, outside location setting switch for easy operation. Tin wind pipe factory, Jie Weinuo Industrial processing plant covering 40 acres have been certified, plum plant duct factory 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.