Are the nails sealed in the supermarket made of aluminum?

The nails used for supermarket sealing are made of aluminum. Many supermarkets use green sealant to seal the weighed food plastic bags. However, some citizens will remove the sealant, replace the food inside with food at other prices, and then seal the tape back.

At present, many supermarkets have replaced sealant with aluminum nailing machine. This aluminum nailing machine is not easy to disassemble, and once its traces are obvious, the staff will stop it in time.

After the food is weighed in bulk, people often open the packaging bags and replace the food inside with other high-priced foods. It is reported that many supermarkets use green sealant to seal weighed food plastic bags, but some citizens will remove the sealant.

Change the food inside to food at other prices and seal the tape back. At present, many supermarkets have replaced sealant with aluminum nailing machine. This aluminum nailing machine is not easy to disassemble, and once its traces are obvious, the staff will stop it in time.