We supply gypsum board, plaster and related products. Our factory is in the city of Linyi, Shandong Province, China. We can produce 30, 000, 000 square meters of top grade gypsum board. Our products have already recognized by American friends, Australian and New Zealand friends. Japanese and Korean friends etc. We have the certificate in the above area such as the ASTM certificate from USA. The AS/NZ certificate from Australia. And also ISO9001: 2000 etc many other related certificate. The products raw materials are 100% percent natural gypsum and recycled paper. We would be glad to build long and good business relationships with any customer all over the world. If you have any question, Please feel free to contact us. Need more information, just visit our website of.