[捷维诺 to recommend the star product - black and white iron duct price] for every 10 square meters of the unique advantages duct fabrication and installation, in the same period the case of ventilation ducts, can save about 60% of the labor force ventilation ducts semi each kinds of steel 30 kg, various bolted more than 10 sets, rust 0.2 kg; duct flanges made of galvanized steel sheet, galvanized steel usage increased by about 4%; with ventilation pipe production line installation, production accuracy and quality more control. Also ventilation ducts factory sales, steel and reduce the amount of corrosion engineering, reducing environmental pollution paint has good economic and social benefits. [Jie Weinuo to recommend the star product - a total of flange plate duct] Jie Weinuo Industrial production flange plate duct duct, advanced wind pipe flange plate production equipment, four meters long large scissors trigger external processing, large-scale spraying line external processing. Ventilation pipe installation | Xiqing ventilation ducts | ventilation ducts provided by 捷维诺 preferred Jie Weinuo Industries (Tianjin) Co., Ltd. Jie Weinuo (Tianjin) Co., Ltd. (www.jieweinuo.com) strong, credible, in Tianjin fans, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jie Weinuo Industrial and you hand into the brilliant, for a better future!