hot dipped galvanized tube 1.hot dip galvanization, 70um 2.clean,handsome, durable surface, can be used 30 years or more hot dipped galvanized tube1.hot dip galvanization, 70um2.clean,handsome, durable surface, can be used 30 years or more3.avaiable specification as per your requirements 

hot dipped galvanized tube