... Hot dip galvanized,Spray painting,Black steel.*Dimension: Various type, diversity design,according to customer's requirement Advantage:*Recognized ... steel structures, steel building, metal building, modular house, steel frame for warehouse, workshop, garage etc, steel beams, other riveting ... or Variable cross-section!5) Bracing: X-type or V-type or other type bracing made from angle, round pipe, etc ...