Quality Management Home BUSINESS QUALITY MANAGEMENT PMI Test Yangsoo is the first company which introduced PMI test in the same line of business. <X-MET5000 – Reliable material verification> Identification of close grades such as 304/321 or Grade CPTi/Ti-7 in less than 5 secondsTraceable Empirical Calibration to certified reference materialsWithstands test piece surface temperatures up to 400ºCTotally non-destructive testing