we are manufacturer of mineral fiber ceiling board in china, and our products are mainly exported, which enjoy good reputation among our customer. standard size:595x595mm, 600x600mm,603x603mm,1200x600mm thickness size:7.0mm,7.5mm,8mm,9mm,10mm,12mm,14mm,15mm edge details:square, tegular, narrow reveal if you are interested in our proudcts, please do not hesitate to contact us. be sure you would get high quality at competitive price. my email maggiekowk at gmail dot com.