... .precision welding 4.quality Ultrasonic Welding Machine for Plastics, Model HN 8600- We can make custom-shaped sonotrode / welding head- Suitable for thermoplastics welding / nonwoven weldingFEATURES:1.ceramic ... operation, steady output, high efficiency.(2)convenient for carrying and moving, reliable performance, easy operation, mainly for spot welding, bonding, riveting, marking, sealing ,etc ...