Light steel keel (T-bar) has good graphic effect in whole, its lines are concise and elegant. T-bar is solid, safe, and artistic. it is suitable for all kinds of Mineral wool ceiling boards, aluminious diamonds ceiling boards and calcium silicate boards, etc. T-bar has the quality of light weight and high strength, and also the effects of waterproof, fireproof, shakeproof , soundproof and sound absorption. Meanwhile, T-bar is convenient and time saving in construction. For these reasons, T-bar is a new type ceiling decoration materials, widely used in markets, hospitals, banks, hotels, factories and terminal buildings, etc.