... Recyclable component 1)Item name: steel structure frame,steel frame,steel truss frame2)Specification:Q235,Q3453) ... building :Length , width, height & eave heightB)Doors and windows :size ,quantities,where to be outC ... for wall and roof : EPS,PU,PVC or sandwich panelE)It is better for ... GP, 40HQ,40OTFeatures and benefits:1.construction steel ,Cost-effective2.Hard and Durable3.Environmental-friendly4 ...