Peb muaj cov khoom siv kuaj xws li lub teb chaws Yelemees SPECTRO spectrometer, American LECO oxygen nitrogen hydrogen gas analyzer, Lub teb chaws Yelemees LEICA metallographic microscope, NITON portable spectrometer, siab zaus infrared carbon sulfur analyzer, universal kuaj tshuab, hardness analyzer, ultrasonic flaw detector thiab thiaj li. ntawm.