Tunkia Co., Ltd. is a high-tech enterprise specializing in the research, development, and production of electromagnetic measurement scientific instruments, general instruments, and large-scale equipment. Its products and technologies are widely applied in fields such as metrology and calibration, power grids, industrial inspection, and scientific research, addressing complex electromagnetic measurement challenges faced by users. Today, Tunkia serves over 30,000 clients in more than 60 countries and regions worldwide.