Jiangsu Cai Shi Instrument Technology Co., Ltd. has strong technical capabilities in the research and development of experimental equipment, especially in metal corrosion test equipment. The company's independently developed products such as the single-axis tensile stress ring test device, reaction tank, stress ring loading platform, multi-unit corrosion tester, constant load stress corrosion tester, water immersion ultrasonic automatic detection system, and multi-channel corrosion cabinet have been widely applied in research institutions, equipment manufacturing enterprises, and testing service institutions.