1. Anti-rust and anti-corrosion. The steel grating is black after production. After being polished, pickled and then hot-dip galvanized, it can play the role of anti-rust and anti-corrosion.
2. Long service life, general hot-dip galvanized steel grating has a service life of 50-60 years.
3. Reduce investment and greatly increase the service life of hot-dip galvanized steel gratings, thereby reducing replacement and virtually reducing the cost of customers in the second purchase.
