Leading Manufacturers, Suppliers, and Exporters of Carbon Steel Fittings and Flanges in Argentina, Chile, Kazakhstan, Zambia Leading Manufacturers, Suppliers, and Exporters of Carbon Steel Fittings and Flanges in Argentina, Chile, Kazakhstan, Zambia: Let us tell you first about Metalfed Engineering and later we discuss Everything About Carbon Steel Fittings and Flanges. We are leading Manufacturers, Suppliers, and Exporters of Carbon