... /DIN 3Material Galvanized/prepaint 4OEM is acceptable 5Usage:steel structure building C /Z Purlin Heavy load bearing ... tensile galvanized steel.2) Despotic C&Z section steel, Z section steel is roll-formed from galvanized steel, specification to be ... :black iron,HDMain ProductsZ steel structure,C shaped steel stucture,channel steel,angle steel,deformed steel,tail railMain Exporting CountrySouth ...