Spiral duct Price, Daliang spiral duct, the duct Jie Weinuo Industrial Production (View) 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. Star Industrial Co., Ltd. [Jie Weinuo recommend spiral duct seams] precision molding process: Die special steel structures are used imported equipment Buying spiral duct, even with 2035 marine spiral duct, its press mold The surface remains unchanged spiral duct supply, making the surface of the galvanized steel from damage, greatly extending the life of the duct, while the seam was smooth, tight seams, connections and strong, a good seal. Star Industrial Co., Ltd. [Jie Weinuo recommend spiral duct] galvanized spiral duct widely used in hotels, shopping malls, textile, chemical, petrochemical, machinery, instruments, electronics, pharmaceuticals, tobacco, food, medical, warehouse, office as well as the subway, air defense, basements and other engineering air supply, exhaust, exhaust pipe.