Nanjing Sample Technology Company Limited, along with its subsidiaries, is engaged in the provision of visual identifi cation and radio-frequency identification (RFID) technologies based full solutions to intelligent traffic, customs logistics and health care and other application areas. The Company’s principal operating income includes revenues received and receivable from intelligent traffic, custom logistics and sales of equipment and service business. The Company’s products and system solutions are designated for use in urban traffic monitoring and control sector; customs logistics monitoring sector, expressway monitoring sector, and RFID and Other Sector in the People’s Republic of China. As of December 31, 2011, its subsidiaries included Sample Technology (H.K.) Co., Limited and others.