How to use ultrasonic plastic welding machine to weld plastic case grading card?

Ultrasonic plastic welding machine can be used to welding plastic case.plastic slabs,grading card,grading slab,grading case,80x135mm PSA grading, the advantage of our machine as below;
1. The welded plastic cases has white marks on it.
2. The welded plastic cases is unsealed or partly sealed.
3. The welded plastic cases has been crushed
MINGYANG ultrasonic equipment factory.our factory specialized in ultrasonic welding machine,hot melt welding machine,high frequency welding machine,packaging machine many years in China.
we can provide the best price with high quality of machine for you. if you are interested pls contact me. we can send the welding video for your reference.

Видео How to use ultrasonic plastic welding machine to weld plastic case grading card? канала MY ultrasonic welding machine