1 13 july 2003 china s construction materials industry with focus on stone and sanitary ceramics overview material has developed very fast in the past decades output of cement plate glass graphite talcum become maintained world largest for several years table major 2002 product to 653 22 million tons 31 235 43 weight cases 24 180 sqm tiles 87 billion square meters 25 485 364 17 source isi although is producer various types as a whole deployment production facilities scattered only few companies can reach real economies scale significant number small manufacturers could supply low quality products also exporter related export follows 2