Entrex Carbon Market, Inc, through its subsidiary, Shenzhen Rui Pu Da Electronic Technology Company Ltd, engages in the development, production, and sale of radio frequency identification (RFID) solutions in the People's Republic of China. The company offers RFID ultrahigh frequency (UHF) hardware, including UHF readers, antennas, and tags. Its RFID products are used in various applications, such as personal and property safety and security management; e-ticketing management; tracking in animal breeding; pharmaceutical product fraud prevention; and warehouse/inventory control. The company was formerly known as UHF Logistics Group, Inc. and changed its name to Entrex Carbon Market, Inc on January 6, 2011. UHF Logistics Group, Inc. was founded in 2005 and is based in Boca Raton, Florida.