Generally there will be a weighing scale in the bulk area. Put the goods on the scale and print an invoice according to the weighing unit price, which can be attached to the surface of the bag in bulk city. Supermarkets are usually clearly marked. After weighing, you can check whether the goods on the invoice are consistent with the purchased goods. If it is inconsistent, it can be fed back to the sales staff.
Content expansion: Generally, the products weighed in bulk are also regulated by the market. If the goods sold in one place are much more expensive than those in other places, it is recommended not to buy them in this place.