Star Industrial Co., Ltd. [Jie Weinuo recommend spiral duct] Jie Weinuo Industrial production of spiral duct, angle iron flange duct, a total of flange plate duct, galvanized plate shear duct spraying operations Spiral Duct processing, the company registered capital of 50 million have advanced automatic equipment. [Jie Weinuo Industrial Star recommendation - spiral duct] Jie Weinuo spiral duct seams precision molding even with three to five years, making the surface of the galvanized steel from damage, greatly extending the life of the spiral duct . 304 spiral duct _ Jie Weinuo Industrial stainless steel spiral duct _ Pinggu spiral 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.