The welding method in which thermoplastic materials are fused together under ultrasonic vibration due to heat generated by friction between surface molecules.Suitable for automobiles, home appliances, healthcare, electronics, etc.Equipment specification and model: Machine specification:● Model FS-1526-S： 15KHZ--2600W● Model FS-1542-S： 15KHZ--4200W● Model FS-2018-S： 20KHZ--1800W● Model FS-2025-S： 20KHZ--2500W