Star Industrial Co., Ltd. [Jie Weinuo recommended angle iron flange duct] [Jie Weinuo Star recommendation - angle iron flange duct] to map processing duct exhaust pipe construction, I have a professional designer 20 building exhaust pipes, skilled technical workers to 260, galvanized duct will be mechanized, to undertake ventilation pipe installation, installation of fire smoke. Wangqingtuo exhaust pipe exhaust pipe _ _ Industrial Co., China's Top 100 enterprises integrity Jie Weinuo 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.