Detailed Product Description we are a professional produce gypsum board machine company, about the annual capacity, it has from 2 million ... etc. we have ISO certificate and CE certificate. our gypsum board line can produce the ordinary paper faced gypsum borad, fire ... -proof gypsum board, water-proof gypsum board,etc and the size of gypsum board is : lengh: 2400mm-3000mm, width ...