Dongguan Cosson Electronic Plastic Co., Ltd. is a manufacturer of electro-acoustic components such as buzzer(Piezo electric, electromagnetic, mechanical), piezoelectric ceramic element, SMD magnetic transducers, condenser microphones, ultrasonic sensor,Atomization piece, speakers and other audio components with well-equipped testing facilities and strong technical force. With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in household appliance, watches, toys, alarm systems, reversing radars, ultrasonic cleaning, ultrasonic atomization,...