... steel or according to the designCertificateISO9001:2008Main ComponentsH Beam/ UB / C purlin / Z purlin / sandwich panel / Corrugated steel sheet / ... Bolts and other fittings.Standard ASTM, GBSurface TreatmentImpeller blasting black, painted, hot dip galvanizedDelivery Time200-50 days as the requirementHS ... put into container Heavy H Beam Steel Structure Plant L/C,D/P,D/A,O/A Payment Available