... galvanized ceiling light steel keel Features of light steel keel: high performance, easy cut apart, non-deforming, simply installation, dry construction, light weight and ... grade), 120g/m2 ( A+ ) We are a manufacturer of steel keel with well-equipped testing equipment and strong technical force ... 34,0.36,0.40,0.45,0.50Card light steel keel19x25mm0.619x28mm0.8019x320.9019x381.00 galvanized ceiling ...