... and piezoelectric horns,electro-magnetic buzzers.The monthly output is 15 million pieces.Nowadays,it has over 500 employees,6000m² ... satellite recievers,microwave ovens,computers,calculators,digital cameras,eletronic dictionaries,ultrasonic planimeters,medical devices,micro-displacement positioner,high voltage generator, ... :ABS,PPO,PPT-Connection terminal:Pin,wire,SMD piezo ultrasonic transducer