[Jie Weinuo to recommend the star product - flange plate duct price advantage] Jie Weinuo produce unique duct flange angle iron, galvanized sheet duct, spiral duct flange plate duct required Multifunctional cutting equipment, multi undercut machine, multi-beading machine, a total of flange forming machine, TDF folding side flanges, multifunction Corner punch and hook code. [Jie Weinuo to recommend the star product - flange plate duct price advantage] unique production equipment: multi-purpose shears, multi undercut machine, multi-beading machine, a total of flange forming machine, total plate flanges folded square machine, multi-angle code code and hook punch IV. Production and processing operations: 1. processing semi-finished products based on customer delivery exploded and system number corresponding to Fig ---- cutting cut duct system number beading (enhanced) Joint undercut flange plate forming ---- fold side - - Corner assembly seam and processing silica tightly sewn ---- ---- shipment quality inspection [Jie Weinuo to recommend the star product - flange plate duct] Jie Weinuo Industrial machining galvanizing Lan duct Tianjin galvanized duct equipment, galvanized shear bending, fabrication and installation of ventilation systems. Tianjin galvanized duct processing | Tianjin election 捷维诺 Industrial ventilation pipe | Tianjin galvanized 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 demand. In Jie Weinuo Industrial leadership with the staff warmly welcome all inquiries negotiations to create a better future Jie Weinuo Industries.