Guangzhou Zhengneng Electronic Technology Co., Ltd. is a high-tech enterprise that integrates research and development, production, and sales. The company is committed to the research and development and production of online monitoring equipment, portable electrical measuring instruments and meters, and has been recognized by customers for many years based on the principles of technological innovation and people-oriented. The company has strong technical strength and provides a large number of high-quality products and comprehensive after-sales services to the national power industry through extensive cooperation with major universities and research institutes in Guangzhou. The company's main products include phase volt ampere meters, grounding resistance testers, grounding fault testers, insulation resistance testers, high and low voltage clamp ammeters, high voltage ratio testers, equipotential resistance testers, loop resistance testers, power quality monitoring instruments, on-site calibration instruments, leakage protection testers, and other products. The product has the characteristics of convenience and ease of use, stable performance, safety and reliability, and high accuracy. It has been recognized and recommended by State Grid, Southern Power Grid, China Electric Power Research Institute, China Meteorological Administration and other departments for many years. The product has been widely used in power, coal mining, petroleum, chemical, metallurgical, construction, railway, communication, national defense and other departments. The company has a professional technical team and strict quality control system, and has passed the ISO9001:2015 quality management system verification. It adheres to the corporate spirit of technological innovation, excellence, and mutual benefit to achieve greater development. The company has a first-class technical team and strict quality control system, adhering to the corporate spirit of technological innovation, excellence, and mutual benefit to achieve greater development.