... 1220X1830, 1200X2400, 1220X2440, 1200X3000 As a manufacturer of gypsum board in China, we own ourselves the selling system, including the ... 30 million square meters of top grade paper faced gypsum boards. We got the certificate of ISO9001: 2000, the ... plasterboard, fire-proof plasterboard, moisture-proof plasterboard, gypsum ceiling tile, gypsum cornices and some other auxiliary material which might ...