... and allow fabrication of strong ,durable and resilient gypsum product GRG ceiling :Its fire resistant comply the building authority fire code ... , having 16 years’ experiments of producing gypsum cornice, gypsum board, GRG,GRC ,decorating material, etc .Meanwhile , our products have been exported ... website : http:// shyqsg.en.alibaba.com and www.yqsg.com GRG ceiling