We are a professional manufacturer of ultrasonic mold, and this ultrasonic ultrasonic mold can be especially used for plastic cup welding. 1. we will choose the high quality ultrasonic mold material for plastic cup 2. We can manufacture ultrasonic mold according to plastic cup samples or drawing. 3. The welding effect is good, and there is no mark or damage in the welded appearance . 4. we will do the ANSYS testing for our molds to make sure the output power is even and strong. 5. The ultrasonic mold is strong and durable. Model: MY-MJ1520-10-S Frequency: 15-40k Power: 800-8000w Voltage: 110V/220V