Steel structure frame fruit refrigeration storage house Material Q235 or Q345 Galvanized or painted H beam C/Z purlin , steel bracing , tied bar , knee brace , edge cover etc. Roof & Wall panel : Sandwich panel ,corrugated steel sheet or skylight panel Tie Rod: Circular Steel Tube Brace: Round Bar Knee Brace: Angle Steel Roof Gutter: Color Steel Sheet or galvanized Steel sheet Rainspout: PVC Pipe Door: Swing door,sliding door or roller door Windows: PVC steel or Aluminum Alloy Window Connecting: Anchor bolt, high-strength bolt , common bolt Packing: according to the pack list made by our engineer Drawing: We can make the design and quotation according to your requirement or your drawing Installation: Provide full set of drawings and video to direct installation;Engineer are able to stay at site to direct construction Steel structure frame fruit refrigeration storage house