Henan Relations Co., Ltd., located in Zhengzhou National High-tech Industrial Development Zone, is a high-tech enterprise integrating R&D, production, sales and services, engaged in measurement instruments for production process of electric power system and researches on production supervision and management. Henan Relations Co., Ltd. is committed to the research and development, production and sales of intellectualized monitoring instrumentation and system for power grid. The Company has built a perfect product line, including intellectualized, information-based instrument, measuring instrument and monitoring system in power plant, and measuring instrument and monitoring system for sulfur hexafluoride (SF6) gas electric equipment. It has established a friendly cooperation relationship with domestic generator factories, power plants, and electric power companies over the years. And the Company also seeks for close cooperation with foreign advanced enterprises to promote exchange of advanced technologies and improve its own technical strength constantly. Henan Relations Co., Ltd. has already passed ISO: 9001 quality management system certification, with several tens of patents. At present, products of Henan Relations Electronic Co., Ltd. cover a wide range, including hydrogen monitoring and analytical instrument, hydrogen control system, SF6 high-voltage switch smart instrumentation, SF6 gas recovery purification system, water quality analysis instrumentation, etc. Among them, the market share of RA601 series precision dew point meter and hydrogen purity meter is over 70%; and part of the hydrogen monitoring instruments have been become first-chosen matching ones by many generator factories in China, which are operated in power plants in Southeast Asia successfully. The control system and RF series SF6 gas recycling purification system is a breakthrough in the field nationwide. It newly launches infrared leak detector, SF6 gas purity analytical instruments and the analytical instruments of SF6 gas decomposition products, safety overhaul testing instrument for generators, etc., so that products of the Company with high stability and high reliability for analyzing and measuring products become more complete. Staff of Henan Relations will continue to advance along the innovation road, serve power industry, and strengthen its capacity with great concentration on technology, so that the Company is able to adapt to market demand, and further enrich and perfect its product chain, thus, make contribution to national green power construction and intelligentization of power grid.