Matrix Research Limited (product brand as ACX) is the authentic supplier of Access Control and Smart Building with IoT applications to corporations. Founded in 2003, ACX designs and innovates Access Control Systems which are highly secured with cutting-edge technology. It is the leader in Mobile Virtual Card technology and Multi-factor Authentication by me­ans of Bluetooth, Scramble QR code, Palm Vein, Fingerprint, Facial Recognition, RFID Card Access, NFC and Flush Mount Octopus Card with QR Code. Most of