Ultra Instrument Inc. is located in the high technology Silicon Valley of CA, USA. The company is founded by the engineers with more than 20 years experience of ultrasonic rail testing instrumentation development, our engineers have advanced degrees in ultrasonic, electronics and mechanics. We are the inventor and leader of dual rail ultrasonic flaw detector, we are the world leading technology and ongoing commitment to research and development of ultrasonic rail detection technology, we have advantages both in hardwares and software systems, our target is not only supply the right detection product, but also supply the complete solution of rail inspection & preventation, as a manufacturer we will be committed to product renewal and sustainable service for a long time.