Teren Industry Instruments CO.,LTD is located in the beautiful city Dalian with the sea surrounded. We pay more attention on measuring instruments, our products include the ultrasonic flow meters, ultrasonic level meters, ultrasonic water meters, Gas meters, ultrasonic thickness meters, ultrasonic flaw detectors and many the same series products. Our business is established on the basis of \\\\\\\"excellent quality, rational price \\\\\\\"