Hanics - Manufacturer of microphones and speaker units for communication and audio products. Lubell Labs Inc. - Manufacturer of underwater loudspeakers, underwater speakers, and piezoelectric underwater audio transducers. Massa - Designer and manufacturer of electroacoustic products including sensors, transducers, and ultrasonics. Union Enterprise Co - Piezo buzzer and element for all kinds of alarm, home appliances and security system. Unique Sound Co., Ltd. - Specialist manufacturer of SMD audio transducers. JL World Corporation Ltd - Manufacturer of sound generators and microphones. Eleceram Technology Co. Ltd. - Manufacturer of piezoelectric ceramics, piezoelectric transformers and ultrasonic transducers. Includes product data sheets and company news. Britek SA, Inc. - A line of ultrasonic transducers specialize in thickness gauge, flaw detection, nuclear transducers, and custom built transducers. Ningbo East Electronics - Chinese Manufacturer of piezo ceramic electroacoustic products such as buzzers, ringers, alarms, transmitter and receivers. APC International, Ltd. - A manufacturer of piezoelectric ceramics and piezoelectric products for customers in aerospace, automotive, consumer, engineering and design, industrial, manufacturing, medical products, military. SPL Ltd. - Manufacturer of buzzers, transducers, speakers, receivers, microphones, ultrasonic sensors, connectors, cable assemblies, wire harness. Factories are located in China. Changzhou Xichun Electronics Co., Ltd. - Manufacturer of buzzers and electronic acoustical components. Product photos and specifications. Myntahl Corp. - Manufacturer of buzzer, alarm, piezo alarm, electronic buzzers, alarm annunciator, siren, magnetic alarm transducers and external-driven piezo.