Used: Portal frame steel structure can be widely used in many products and industries, such as workshop plant, warehouse, office building,steel shed, aircraft hangar, carports, hotel, school, hospital, supermarket, stadium, poultry house, farm barns, etc. Our Advantages: Price advantage: Located in Hebei, the biggest steel manufacturing and processing base of China, our factory has big advantages in steel price; Professional team support: We have equipped with professional design team, experienced communicating team, supporting technical team, skilled workers to guarantee the quality and effectivement of every project; High quality material and beautiful appearance; Site engineers services; Free drawing design Technical Details: Material: Q235B, Q345B Main frame:H section steel column and beam Secondary frame: C or Z purlin Roof and wall: corrugated color steel sheet, EPS/rockwool/glass wool sandwich panels; Doors and windows: Aluminum alloy, steel or customized Accessories: anchor bolt, high strength bolts, seals, downspout,skylight panels, ventilators, etc.