What We Offer
Focus on metal coil industry
Who we are
Reliable Steel Coil Supplier
COSASTEEL was established in 2016, located in China, which is a steel coil manufacturer and supplier and factory. We manufacture galvanized steel sheets in coil, pre painted galvanized steel coil, galvalume steel coil, prepainted aluminum coil. Annual output of 800,000 tons of steel coils.
Featured Articles
Read Knowledge of steel in our blog
Galvanized Steel Coil
The addition of zinc in the hot-dip galvanizing process serves as a protective barrier against harsh environments and impurities. Learn more about galvanized steel coil
Galvalume Steel Coil
Galvalume steel coil is a type of steel with a coating of aluminum and zinc, protecting it from oxidation. Learn more about the basics of
Galvannealed Steel
Galvannealed steel’s zinc coating has a good absorption quality that enables paints to cling to the surface compared to galvanized steel. Read to learn more
