Ultrasonic Transducer, Ultrasonic Sensor, Ultrasonic Transmitter manufacturer / supplier in China, offering 200 kHz Composite Measuring Gas Speed Distance Ultrasonic Transducer for Anemoclinograph Gas Flow Meter, 135 kHz Stainless Steel Gas Flow Meter Ultransonic Transducer for Ultrasonic Flow Meter Anemoclinograph, 2MHz External Installation Fuel Tank Oil Level Detection Ultrasonic Transducer Distance Sensor and so on.