1. one inch metal ceiling joist 2. metal joist used for installing the ceiling 3. galvanized joist could be used more longer
1,the metal ceiling joist is stability with long life
2, metal josit could load more and more safety with nail
3, with galvanized, the joist is anti-corruption, fire proofing
4, The system is easy ,fast and flexible for installation and suitable for any interior design .