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Manufacturer of underwater loudspeakers, underwater speakers, and piezoelectric underwater audio transducers.

Designer and manufacturer of non-contact ultrasonic sensor systems for tank level monitoring, process control, environmental monitoring, and collision avoidance applications.

Designer and manufacturer of electroacoustic products including sensors, transducers, and ultrasonics.

Manufacturer various electret condenser microphones, earphones, headphones and mylar speakers.

Manufacturer of buzzer, alarm, piezo alarm, electronic buzzers, alarm annunciator, siren, magnetic alarm transducers and external-driven piezo.

Chinese Manufacturer of piezo ceramic electroacoustic products such as buzzers, ringers, alarms, transmitter and receivers.

Offers piezoelectric cable sensors for impact sensing, acoustic transducers and perimeter security.

Manufacturers of piezoelectric plates, discs, rings and bimorphs for sensors, actuators, and transducers.

Manufacturer of piezo transducers, chips and powder. From Tiawain.

Manufacturer of buzzers, transducers, speakers, receivers, microphones, ultrasonic sensors, connectors, cable assemblies, wire harness. Factories are located in China.