My company has a number of large domestic most advanced C / Z steel production lines, production specifications: width 80-300mm, thickness: 40-80mm, annual production up to 100,000 tons, the production company of C / Z steel, hot-rolled Kun continuous steel molding, in line with its cross-sectional dimensions and lightweight mechanical characteristics, the mechanical efficiency of the material brought into full play, the use of hot-rolled steel sheet by advanced computer molding machine manufacturing, so I produced C / Z steel surface smooth, precise size , and has a strong rust resistance, long life and other characteristics. Where C / Z steel purlin used in conjunction with a color plate is the best choice of roof and wall.