Botou Huikeyuan Engineering Control Co.,Ltd is one of the best U type automatic roof steel fram purlin roll forming machine manufacturers,Website: , welcome to import our U type automatic roof steel fram purlin roll forming machine made in China and check the price with us. ●Product description U Type Automatic Roof Steel Fram Purlin Roll Forming Machine is one production line which can produce many different models of U purlin.  ●Product features U Type Automatic Roof Steel Fram Purlin Roll Forming Machine bending resistance, glancing flatness is good; cutting with setting length automatically, punching automatically, with high degree of automation.  ●Application The product can be used as the main body of the large and medium-sized industrial and civil building force structure, such as workshop, warehouse, garage, hangar, exhibition halls, theaters and other. U steel is widely used in the production of the mine roadway and mountain tunnel supporting etc.. U Purline Model Section Size(mm) Distance between holes (mm) h b b t U50Í25 50 25 1.0-4.0 No punching U50Í30 50 30 1.0-4.0 40 U75Í25 75 25 1.0-4.0 Distance adjustable U75Í40 75 40 1.0-4.0 Distance adjustable U75Í50 75 50 1.0-4.0 Distance adjustable U90Í40 90 40 1.0-4.0 Distance adjustable U90Í50 90 50 1.0-4.0 Distance adjustable U90Í60 90 60 1.0-4.0 Distance adjustable U100Í50 100 50 1.0-4.0 Distance adjustable U100Í75 100 75 1.0-4.0 Distance adjustable U120Í60 120 60 1.0-4.0 Distance adjustable Model can be design as your requirement.(punching is available)