... card size as Credit card Plastic Proximity Card with NXP Desfire in Credit card sizeCXJ is one of professional proximity card factory, proximity card manufacturer, mifare desfire card and plastic card ... . Our main products are Contactless card, RFID card, smartcards,hid card,smart card,mifare card,proximity card,contactless card,access control card,acces card,em card,EM4001,desfire, 13.56 ...