Sino Age Development Technology, Ltd. (SADT), is a leading manufacturer / supplier of measuring and testing instrument, specialized in NDT and quality control fields. We have our own HARTIP series portable hardness testers from the very begining. Now our main products cover portable and bench type hardness tester, ultrasonic thickness gauge, roughness tester, handheld metallurgical microscope, portable vibration meter, optical tachometer, ultrasonic flaw ***ector and so on. Our main overseas markets are: US...
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