various ultrasonic cleaning transducer and ultrasonic transducer for cleaning tank from beijing yongda ultrasonic:
http://www.ydaultrasonics.com/products/ultrasonic-cleaning-transducer

ultrasonic beauty transducer:
http://www.ydaultrasonics.com/products/ultrasonic-beauty-transducer

ultrasonic welding transducer:
http://www.ydaultrasonics.com/products/ultrasonic-welding-transducer

ultrasonic atomizing transducer:
http://www.ydaultrasonics.com/products/ultrasonic-atomizer-transducer