Star Industrial Co., Ltd. [Jie Weinuo recommended angle iron flange duct] Jie Weinuo duct flange angle iron production, a total of flange galvanized duct ventilation duct installation, spiral duct production. Also processing fees low. [Jie Weinuo Star recommendation - angle iron flange duct] Jie Weinuo Industrial skilled workers more than 100 workshops covering 40 acres, galvanized duct when the world expected, that day can pick up. Galvanized duct quality | Tianjin Jie Weinuo Industrial Case Crayon | east galvanized duct 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.