What is the ceiling keel, what role
Is that we often see the ceiling, especially the shape of the ceiling, are made of light steel keel frame, and then covered with gypsum board made. Light steel keel ceiling according to load is divided into human light steel keel ceiling and not on the light steel keel ceiling. Light steel keel according to keel section can be divided into: U-keel and C-keel.
According to specifications can be divided into: D60 series, D50 series, D38 series, D25 series.
