Chongqing Leeb lnstrument Co.Ltd, located at High-tech industrial Development Zone of Chongqing, China. We specialize in manufacturing, researching and sale of NDT and Precision Testing Instruments over thirty years, including various kinds of Hardness Tester, Thickness Gauge, Roughness Tester, Flaw Detector and Microscope. In 2011, Leeb Ultrasonic Flaw Detector received the State Science and Technology Innovation Fund in China. We also got the Certificate of Utility Model Patent for the measuring platform in the same year. In 2018, we acquired Shanghai Fengbo Instruments Co.,Ltd and further expanded our production line of bench hardness tester.