1.Heat sealing
It is a blister packaging process. The paper card coated with blister oil on the surface is sealed with a blister with a sealing machine to form a blister card package. -Dongguan blister box

2.Ultrasonic sealing
A blister packaging process that uses an ultrasonic machine to generate ultrasonic waves and glues the blister shell and the blister shell together to form a double blister package. Unlike high frequency sealing, ultrasonic waves can not only seal PVC and PETG materials, but also Sealing PET material, and it has no electromagnetic damage to the packaged product, which is especially suitable for the packaging of electronic products. The disadvantage is that the ultrasonic edge banding can only be spaced dots, and generally only one straight edge is sealed at a time.

3.High frequency sealing
It is a blister packaging process, which uses a high frequency machine to generate high frequency, which bonds the blister shell and the blister shell together to form a double blister package.