DANVILLE, CA (MARKET WIRE) S3 Investment Company, Inc. (PINKSHEETS: SIVC), a holding company with two subsidiaries doing business in the China market, today announced that as part of its representation agreement with Material Technologies, Inc., a California-based engineering, research and development company that specializes in technologies to measure microscopic fractures in metal structures and to monitor metal fatigue, representatives from its SINO UJE subsidiary have been trained on the fu