... )Iron protector SurfaceBared, Galvanized, Black Oiled,Or Other Anti-corrosive Treatment.We can produce other specifications according to ... we have always adhered to the business policy as "Quality for Survival, Product for Development, Credibility for Cooperation and ... have cooperated with Bao steel, Wu yang steel, TPCO, Baotou steel, Shou gang Jin tang Steel, An gang Steel, Daye Steel, HBIS and other ...