POS System, POS Terminal, Advertising Display manufacturer / supplier in China, offering Wholesale 15.6 Inch Aluminum Quality POS Terminal POS System, Wholesale 15.6 Inch Touch Screen All in One POS Terminal POS System, Synthetic Emulsion Paper Waterproof/Oilproof/Alcohol-Resistant/Suitable for Both Low and High Temperatures/Tear-Resistant and so on.