... .1.Size of steel structure:MOQ is 800 square meter, length Xwidth X eave height, roof slope2.Type:single slope, double slope, muti ... -slope ;single span, double-span ,Multi-span, single floor, double floors!3.Base ... type bracing made from angle , round pipe etc6.C or Z purlin,size from C120~C320,Z100~Z2007.Roof and wall panel:single ...