Most of TDC’s manufacturing inspection equipment is imported from the US, Germany, Japan and other countries, in order to keep pace with the world’s most advanced levels of quality control. TDC also imported series detecting equipment from the US that has a high-precision ultrasonic nondestructive testing instrument that meets advanced international standards, a Universal Tool Microscope PG-100 from Germany, an Olympus metallurgical microscope system BX51M from Japan, Digital Vickers Hardness Tester, Rockwell hardness Tester, portable spectrometers and other sophisticated, industry-leading detection and testing equipment.