(Jie Weinuo Industrial Star recommendation spiral duct) large diameter spiral duct, spiral duct galvanized steel spiral duct processing, automobile 4S shop for ventilation, a variety of customized stainless steel spiral duct offer timely supply stainless steel spiral Duct production, fabrication and installation projects to undertake a variety of ventilation. [Jie Weinuo Industrial Star recommendation - spiral duct] Jie Weinuo Industrial spiral duct mounted horizontally, the diameter size of less than or equal to 400mm long side stainless steel spiral duct, spacing should not exceed 4m; greater than 400mm, should not exceed 3m. Support and hanger spacing spiral galvanized spiral duct can be extended respectively to 5m and 3.75m; flange galvanized sheet steel for spiral duct, its support and hanger spacing should not exceed 3m. Stainless steel spiral duct price, Jie Weinuo Industries, Baoding stainless steel spiral duct 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.