1)Main Steel: Q345, Q235, Q345B, Q235B etc. steel structure warehouse|prefab warehouse|steel warehouse 2) Column & Beam: Welded or Hot rolled H-section 3) Connection method of steel structure: welding connection or bolt connection 4) Wall & Roof: EPS, Rockwool, PU sandwich, corrugated steel sheet 5) Door: Rolled up door or Sliding door 6) Window: Plastic steel or Aluminum alloy window 7) Surface: Hot dip galvanized or painted 8) Crane: 5MT, 10MT, 15MT and more Drawings & Quotation: 1) Customized design is welcomed. 2) In order to give you an exactly quotation and drawings, please let us know length, width, eave height and local weather. We will quote for you promptly.