Retractable Technologies, Inc. Announces Record 2006 Revenues of $25.3 Million on 32.6% Unit Sales Increase LITTLE ELM, Texas–April 10, 2007–Retractable Technologies, Inc. (AMEX:RVP), a leading maker of safety needle devices, today reported record total revenues of $25.3 million for the year ended December 31, 2006, an increase of 4.5% over