甘肃二维码点餐系统软件要多少钱

In Yunnan, there are many restaurants that use two-dimensional barcodes to identify food items. How much does it cost to install a two-dimensional barcode system, and how much does it cost for a full set?

在宁夏，有许多饭店使用二维码来识别食物件。大量的二维码系统软件需要多少钱、一套二维码系统软件多少钱一个?