Wuhan Hengxin Guoyi Technology Co., Ltd. (http://www.whgykj.com) is a high-tech industrial company specializing in the development, research, production and sales of electric power instruments. It is a high-tech enterprise specializing in research and development, production, sales and technical services of high-voltage test equipment for electric power. Its products are widely used in electric power, communication, railway, petroleum, chemical industry, mining and other industries. The sales network covers 21 provinces, cities and regions in China. Since its establishment, the company has always implemented the scientific management concept of "people-oriented, pragmatic and innovative" and fully utilized the modern enterprise management system to realize the systematic development and use of human capital. Relying on the scientific and technological research and development strength of Huazhong University of Science and Technology and Wuhan University of Technology, the company has successfully developed a double-jaw grounding resistance tester, a DC circuit breaker ampere-second characteristic test system, a three-phase watt-hour meter calibrator, a DC resistance tester and a lightning protection component tester.

The company insists on taking technology development as the driving force, product quality as the foundation, adhering to the service tenet of       "customer first", producing in strict accordance with ISO9001 quality management mode, regarding product quality as the life of the enterprise, taking excellent service as the guarantee of customers, and repaying customers' consistent trust and support. "Honesty, pragmatism, pioneering and innovation" is our business philosophy, and excellent products and services are the eternal guarantee of our "National Instrument" brand.

      Company's related products: SF6 density relay calibrator, grounding resistance DC resistance tester, watt-hour meter calibrator, double-clamp phase voltammeter, double-clamp grounding resistance tester, three-phase power parameter tester, grounding downlead conduction tester, series resonance device, oil testing instrument and other power industry equipment.