Nanjing Corewise Smart Technology Inc, a leading vendor of handheld terminals, a high-tech enterprise specialized in R&D of portable devices integrated with 3G functions, including rugged tablet PCs, MIDs, UMPCs, net-books, biometric fingerprint sensors, HF/UHF RFID writers/readers (13.56Mhz for proximity or 840-960Mhz for long distance), barcode (QR code) scanners, built-in thermal printers, and POS machines. These "all-in-one" innovative facilities with mobility can be utilized in a wide range of scenarios, e.g. NFC solutions, identity verification, inventory management, access control, timing & attendance, etc.