Three Siam Cement Group subsidiaries have won Deming awards from the Japanese Union of Scientists and Engineers for excellence in Total Quality Management (TQM), according to Kan Trakulhoon, an SCC vice-president, according to the Bangkok Post.  The 2004 Deming Application Prizes were awarded to CCC Polyolefins Co and Siam Mitsui PTA Co in petrochemicals and Ceramic Thai Industry Co for building products. The awards recognise distinguished performance improvement through the application of TQM in their business operations, ranging from quality control to business development.