... , convenient construction, anti-seismic performance, fire proof, waterproof, free of maintenance, etc., which have been widely applied nowadays in industrial ... , PPGI, PPGL, and so on made according to the follow grade. More feature of Galvanized Steel Sheet as follows: 1) Quality standard ... weather use. The life time of our corrugated steel sheet is very long, it is designed to be used for more than 20 ...