... and costs saving; and can be reused for different purposes; Main Grade of Steel: Q345B,Q235B Standard:ISO9001:2000 We ... have got customers from all over the word. Applications: Steel workshop/warehouse/shed, Exhibishion Hall,Office buildings, Garage,Multy ... Agricultural storage,Logistic centers,and all kinds of steel materials.,etc. Specifications: Main Steel: Q345B,Q235BColumn&Beam: Welded or Hot ...