Shanghai Guance Electric Technology Co., Ltd., abbreviated as Guance Electric, is a high-tech company located in the Shanghai Electric Power Science and Technology Park (University Science and Technology Park). Its predecessor was one of the earliest manufacturers in China engaged in high-voltage testing. The company is mainly engaged in the research and development, design, production, sales, and service of high-voltage testing equipment, power measurement and testing equipment and instruments, analytical instruments, instruments, and substation online monitoring systems, as well as related software products.

Shanghai Guance Electric has always adhered to the sustainable development path of investment, innovation, and further investment and innovation. It has developed from a single product in the initial stage to the research and development and production of series resonance test devices, high-voltage insulation and withstand voltage equipment, transformer testing instruments, circuit breaker testing instruments, relay protection/secondary circuit testing instruments, cable/line testing instruments, lightning arrester/insulator testing instruments, SF6 testing instruments, oiling testing instruments, DC system/battery testing instruments, reactive power compensation/generator testing instruments, power metering products, grounding series/insulation series, power testing accessory products and other 14 categories, totaling 150 products. At present, the series, diversification, and scale of products have been achieved. After more than ten years, Shanghai Guance Electric has grown into a high-tech power service enterprise integrating scientific research, development, production, sales, consulting, installation, commissioning, and service.

Shanghai Guance Electric has its own factory area of 4500 square meters, with a total of more than 100 employees. Production technicians account for 85% of the total number of employees, of which 40% have intermediate and senior professional titles or above. More than 80% of the company's employees have a college degree or above, including 1 doctoral student and 8 master's students. The company has ten departments, including the General Manager's Office, Product Research and Development Department, Marketing Department, Production Department, Quality Inspection Center, Administrative and Human Resources Department, Marketing Department, Finance Department, Materials Department, and After sales Service Center.

Shanghai Guance Electric strictly follows the standards and regulations of the power industry for production, and its products have fully passed the testing of various provincial power departments. Shanghai Guance Electric has passed the quality management system certification (GB/T19001-2008/ISO9001:2008), occupational health and safety management system certification (GB/T28001-2011/OHSAS 18001:2007), and environmental management system certification (GB/T24001-2004/ISO 14001:2004). The company has a license to manufacture measuring instruments in the People's Republic of China and is a member unit of the Shanghai Electric Power Measurement and Testing Association. Shanghai Guance Electric has successively won the "*" and "China Electric Power Equipment Management Association *" brands, and has been awarded the title of "Contract abiding and Creditworthy Enterprise" for the past five years. In recent years, Shanghai Guance Electric has continuously increased its efforts to explore the electrical testing market, and the scale and profitability of power testing instruments have maintained rapid and stable growth.

Shanghai Guance Electric, as *, relies on the natural advantages of various research institutions in Shanghai and cooperates with universities and research institutes such as Shanghai Electric Power University, Southeast University, and State Grid Electric Power Research Institute * to continuously develop new products and achieve product upgrades and replacements. Through years of accumulation, Shanghai Guance Electric has won multiple independent intellectual property rights technologies, and has successively obtained more than ten inventions and utility models such as power frequency series resonance, frequency conversion series resonance, microcomputer relay protection tester, cable fault intelligent tester, DC resistance tester, CT ratio polarity tester, transformer characteristic tester, circuit resistance tester, SF6 density relay tester, phase tester, multifunctional grounding resistance tester, micro water measuring instrument, etc. Shanghai Guance Electric has been awarded the "Computer Software Copyright Registration Certificate" by the People's Republic of China, and is the holder of multiple software copyrights. Shanghai Guance Electric holds multiple registered graphic and textual trademarks and enjoys a good reputation in the power testing industry in Shanghai.

At present, after more than a decade of development, Shanghai Guance Electric's electrical measurement products have been widely recognized by large enterprises, institutions, and research institutes. Its users are spread across all provinces, cities, and districts in China, and it is the leading high-voltage testing equipment and instruments in China. The key customers of Shanghai Guance Electric include power grid companies, Southern Power Grid Corporation, five major power generation groups, China Electric Power Research Institute, State Grid Electric Power Research Institute, provincial electric power research institutes, power supply companies in various cities, as well as large enterprise groups and universities such as China Petroleum, Sinopec, Aluminum Industry Corporation of China, China Energy Construction, China Railway, CRRC, Shougang, Baosteel, and Wuhan Iron and Steel, and quality inspection departments. At the same time, in order to expand the market, the company actively implements the "going out" strategy, and its products have been successfully exported to more than 10 countries and regions, including the United States, Mexico, Brazil, Chile, Ecuador, the Netherlands, Indonesia, Bangladesh, Australia, Iran, India, Saudi Arabia, Mongolia, Russia, Ukraine, Singapore, Japan, Hong Kong, Taiwan, China, China, and so on. The business operation of the company shows a good situation of going hand in hand at home.

Looking ahead to the future, the company will uphold the corporate spirit of "professionally creating high-quality testing products and winning the highest market honor with integrity" and the action principles of "integrity, cooperation, pragmatism, and innovation". With "professional manufacturing" as the foundation and "integrity management" as the backing, the company will comprehensively establish the trusted brand image of "Guance Electric" in the field of electrical measurement, continuously manufacture high-quality electrical measurement products for domestic and foreign customers, and create significant value. Shanghai Guance Electric sincerely welcomes colleagues from all walks of life to cooperate comprehensively and work together!