Electricity, as an important industry related to the national economic lifeline and national life, runs through all aspects of production and life. In order to ensure the safety and stability of the power system, all units of the power system are facing various challenges in various aspects such as power generation, transmission, distribution, and power consumption. In order to better guarantee the safe and stable operation of the power system, the radio and television metering has built a series of service capabilities and formed a relatively complete service plan to provide more professional and more sophisticated units for power generation, transmission, distribution and power consumption of the power system. Objective and more comprehensive measurement and testing services.