1. Item Code QR for each information type.-To know the data of the item. The number of each type of inventory, such as the item name, item code, and type of product, etc.
1. QR Code instead of each product - to provide information about the product. The number of each type of inventory Such as product name, product code and product types and so on.
1. QR Code instead of product information of each product -. In order to know the information of the goods. The inventory of each type, such as product name, product code, and the type of goods, etc.