... ceiling. 4.Elegant appearance. 5.Strong intensi Light Steel Keel System Feature:1) Strong intensity,Non-deforming;2) Strong bearing capacity3 ... ceiling of super class buildings such as guesthouse, restaurant, theater, cinema, auditoriums, office building hotels, restaurants, shopping malls theaters, dancerise, ... .china-ceilings.comcertificateISO9001:2008,CE,SGS Light Steel Keel System