GuangZhou ZhengNeng Electronics Technology Co., Ltd is a high-tech enterprises including R & D and production and sales departments.ZhengNeng Company is committed to online monitoring equipment, portable electrical measuring instruments.ZhengNeng in line with scientific and technological innovation, people-oriented principle for many years has been recognized by customers. The company has professional technical team, and cooperat with Guangzhou major university, scientific research institutes, to provide high-quality products and perfect after-sales service to the national electric power industry. Company's main products are power quality monitor, field calibration meter, phase volt ampere meter, relay protection test instrument, clamp power meter, grounding resistance tester, grounding fault tester,Insulation resistance tester, high voltage current clamp meter, high voltage CT ratio tester, loop resistance tester, DC resistance tester, leakage protection testing instrument and other products. Easy to use, stable performance, safe and reliable and high precision products, for many years has been recognized by the State Power Grid, China Southern Power Grid Company, China EPRI, China Meteorological Administration .Products have been widely used by electricity, coal, oil, chemical, metallurgy, construction, railways, communications, defense and other departments. ZhengNeng has professional technical team and strict quality control system,and has passed ISO9001:2008 quality system authenticatio,adhere to scientific and technological innovation, excellence, mutual benefit and win-win business spirit to seek greater development.