1. Kev xaws: Siv ultrasonic tsis los xaws txhua yam ntawm cov ntaub ncaj qha yam tsis muaj koob thiab xov, kom cov dej tsis zoo tuaj yeem ua tiav.
2. Lace: Txhua yam tawv / ntaub tuaj yeem nias rau hauv ib qho qauv los ntawm ultrasonic, thiab yuav tsis muaj burrs.
3. Kub stamping: Ultrasonic tuaj yeem siv rau kub stamping rau txhua yam ntawm tawv / ntaub, nrog ceev ceev thiab cov nyhuv zoo.
4. Hemming: Ultrasonic tuaj yeem siv los qhwv txhua yam tawv / ntaub.
