Galvanized on the surface of ductile iron casting has the advantages of anti-corrosion, durability, aesthetics and low maintenance cost.
Anti-corrosion
When the surface of the ductile iron casting is galvanized, a stable protective layer will be formed to prevent the castings from rust or corrosion, thereby extending the service life of the ductile iron castings.
Durability
After galvanized, the ductile iron castings can withstand extreme conditions such as high temperature, high humidity and strong ultraviolet light.
Aesthetic
Ductile iron casting with galvanized surface looks smooth, bright and beautiful.
Low Maintenance Cost
Because galvanized ductile iron castings have high durability and corrosion resistance, maintenance costs are low. 
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