Widely speaking, all factories that produce all kinds of small commodities and small parts use blister products. Because small commodities need blister packaging, displayed in the supermarket; small parts need to be stored in the blister tray.
Widely used industries are: hardware tools, food, cosmetics, small commodities, auto parts, medicine, toys.
My company's website is more detailed for categorization, you can refer to www.xisuwang.com