The TDTC-150 Multi-functional Residual Stress Analyzer integrates core analytical functions including high-precision residual stress analysis, quantitative retained austenite measurement, and phase/crystallite size analysis into a single device. It features a modular PLC control system, a lightweight portable design, and a high-precision servo system with a multi-channel detector for efficient, high-resolution data acquisition. The instrument supports a wide range of materials such as steels, titanium alloys, and composites. Dandong Tongda Technology, with its established global export experience, offers the TDTC-150 to meet the growing international demand for reliable, multi-functional material testing solutions in advanced manufacturing and R&D.