Changsha Guozhi Electric Power Technology Co., Ltd.

Changsha Guozhi Electric Power Technology Co., Ltd. is a well-known domestic supplier of high-voltage testing instruments and a provider of testing technology services. The company is located in Lugu International Industrial Park, Changsha High-tech Development Zone. The company possesses advanced testing methods, strong technical force, and a professional technical team, with strong design and development capabilities, enabling continuous product updates. Customers are spread across Southeast Asia, the European Union, Japan, Taiwan, and most provinces and cities in China, including large enterprise groups such as State Grid Corporation of China, China Southern Power Grid, the five major power generation groups, China Electric Power Research Institute, State Grid Electric Power Research Institute, and provincial and municipal power supply companies. The product segment specializes in the production of special high-voltage testing instruments for power systems, and the 'Wote Electrical' brand is widely recognized in the industry. The company integrates research and development, sales, and service, providing complete solutions for high-voltage testing and detection for various power users. Currently, the company has developed more than ten new types of testing instruments, including single-phase partial discharge-free variable frequency power supplies, three-phase partial discharge-free variable frequency power supplies, series resonance test systems, cable comprehensive test system devices, transformer test devices, harmonic noise test devices, and mobile test power supplies, and can customize suitable products according to the needs of power system users to meet different customer requirements. The technical service segment mainly engages in power maintenance, testing, and upkeep. Technical services are mainly concentrated on equipment in substations of 500kV and below in ultra-high voltage grids and electrical parts of power plants. Advanced testing equipment and professional technical personnel enable us to undertake corresponding power facility testing projects. In particular, the company has passed the qualified supplier certification of 'China General Nuclear Power' and obtained recognition for power testing in the nuclear power field. Technical services mainly include partial discharge and withstand voltage tests for 500kV transformers; AC withstand voltage tests for 500kV GIS, switches, cables, transformers, etc.; handover tests and post-overhaul tests for primary equipment in substations and power plants; and preventive tests for primary equipment in substations and power plants. To adapt to the continuous reform, innovation, and development needs of the power market, the company has established branches in multiple regions. Among them, Guangdong Guozhi is responsible for power testing affairs in South China, the Shandong company is responsible for power testing affairs in North China, and branches in the Southwest and East regions are planned for establishment. The company's power testing products and technical services are exported to multiple countries. To adapt to international development, the company has established a Hong Kong branch. The company has currently completed the development of the OWTS testing system, a project that is the result of cooperation with renowned professors from Tsinghua University and North China Electric Power University. The OWTS testing system has completed prototype testing, and after production, it will fill a gap in this project in China. The company has carried out extensive technical cooperation with many well-known universities, relying on the talent and technical advantages of Wuhan University, Hunan University, North China Electric Power University, and Changsha University of Science and Technology, with multiple doctoral supervisors and professors in the high-voltage technology field as the core, and has established a research center for professionals in high-voltage and power electronics design technology, dedicated to providing various high-voltage testing solutions and products for power systems. The company advocates the corporate philosophy of technological innovation, excellent quality, perfect service, and integrity-based operations, focusing on the research and development of high-voltage testing equipment and its testing technology, and striving to contribute to the construction of China's smart grid and ensuring the safe operation of the power grid.