[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 price advantage] Jie Weinuo unique registration capital of 50 million yuan in Tianjin ventilation pipe production, is set steel trade sales, shear processing and distribution, Tianjin Jie Weinuo documents are complete customized ventilation ducts, exhaust ventilation to undertake large-scale projects. [Jie Weinuo to recommend the star product - galvanized duct] Jie Weinuo Industry mechanism duct flange, high quality and low price, a professional designer to give you design, Jie Weinuo Nissan 3,000 square meters of piping, external processing plating Zinc boards of various shear spraying operations. Undertake large-scale production and installation of ventilation projects.