Baier is the professional gypsum building materials manufacturer in china,We import Germany technique and equipment,and using high purity gypsum powder as main material and mixed with fiber and highquality additive.Also we have passed ISO9001:2000 and ASTM(USA)certificate ,all these guarantee our top grade products.We have many years experience in export ,so we also could give you the complete service in our cooperation.Now The leading product in our company is plasterboard; It contains standard plasterboard, fire-proof plasterboard, moisture-proof plasterboard, gypsum ceiling tile, self tapping screw, paper joint tape, jointing compound and some other auxiliary material which might interest you.