Blister packaging, also known as vacuum packaging, is a packaging method that puts products into plastic bags and uses vacuum suction to draw out the air in the bags, so that the products in the bags are isolated from the outside world and tightly wrapped. Blister packaging products have the following characteristics: First, they have excellent fresh-keeping performance. Put the product into the blister bag. After vacuum pumping, it can effectively isolate the air, reduce the oxygen contact
