Clean Environment NanotechnologyLogo Design Contest Logo Design Contest Contests / Clean Environment Nanotechnology Clean Environment Nanotechnology has selected their winning logo design. For $375 they received 103 designs from 16 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by BusinessBuilders Return to Contest Return to Contest Withdrawn Prefers others. #42 Discussion No comments yet.