... .8, F304, F304L, F316, F316L, 316Ti5) Surface Treat: Anti-rust Oil, Transparent/ Yellow/Black Paint, Zinc, Hot dipped Galvanized.6) Packing ... ) Supply Capacity: 20,0000 tons per year. about usZhengzhou Bihe Co., LtdWith the rich experience of exporting flanges, we have many ...