Star Industrial Co., Ltd. [Jie Weinuo recommend spiral duct] same cross-sectional area of ??Tangshan spiral duct, an aspect ratio of 1: 3 week long rectangular duct circumference than the spiral duct of 40% Tangshan spiral duct sales, timber Province; Similarly terms Tangshan wholesale spiral duct, spiral duct week due to the length of incubation timber can also be reduced accordingly. Piping layout and beautiful, three-dimensional sense: When the pipeline as an architectural feature and must be exposed, beautiful and elegant molding flange duct will be the best choice. [Jie Weinuo Industrial Star recommendation spiral duct] spiral tube advantage small footprint, the relative insulation also used less than the rectangular pipe installation easy. Environmental protection and good galvanized pipe, spiral duct Tangshan specials, spiral duct 捷维诺 Industrial manufacturers have been certified, Tangshan 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.