Hunan Guangxin Technology Co., Ltd. was founded in August 2004 and was successfully listed on the Beijing Stock Exchange in June 2025 under the stock abbreviation "Guangxin Technology" (Stock Code: 920037). Headquartered in Xinshao County, Shaoyang City, Hunan Province, the company currently operates six wholly-owned subsidiaries: Xinshao Dexin Insulating Paperboard Co., Ltd., Guangxin New Materials Technology (Changsha) Co., Ltd., Hunan Guangxin Insulation Materials Research Institute Co., Ltd., Changsha Guangxin Supply Chain Co., Ltd., Shaoyang Guangxin Technology Co., Ltd., and Hong Kong Guangxin Power Transmission and Distribution Industry Chain Technology Co., Ltd., as well as one controlled subsidiary: Jiangsu Xinrun Electric New Materials Co., Ltd.
As a specialized supplier of insulated fiber materials and their molded products, the company's products are primarily used in power equipment, rail transit systems, renewable energy sectors, industrial motors, and specialized equipment. Through over two decades of dedicated industry expertise, the company has developed a comprehensive product portfolio covering applications for medium-low voltage, high-voltage, ultra-high voltage, and extra-high voltage AC/DC transmission and distribution equipment. It has established itself as a leading brand enterprise in China's insulated fiber materials and molded products sector.
The company enjoys a high market reputation and industry recognition, having established long-term, stable cooperative relationships with leading transformer manufacturers such as China Electrical Equipment Group Co., Ltd., TBEA Co., Ltd., Shandong Electric & Electrical Group Co., Ltd., Shandong Taikai Transformer Co., Ltd., Baoding Tianwei Baobian Electric Co., Ltd., and Chint Electric Co., Ltd., serving as their core supplier for insulated fiber materials and molded products.
The company has been recognized as a National Specialized, Refined, Unique, and Innovative "Little Giant" enterprise, one of the first key "Little Giant" enterprises, a National High-Tech Enterprise, a Hunan Provincial Little Giant Enterprise, a Hunan Provincial Manufacturing Single Champion Product Enterprise, a Hunan Provincial Industrial Quality Benchmark Enterprise, a Hunan Provincial Industrial Intellectual Property Application Benchmark Enterprise, and a Hunan Provincial Commercial Secret Protection Demonstration Enterprise. With advanced technical specifications and consistent product quality, the company's products have been certified as "National Key New Products" by the Ministry of Science and Technology and designated as "Hunan Provincial Manufacturing Single Champion Product" by the Hunan Provincial Department of Industry and Information Technology. Its core team has been honored as a "Hunan Provincial Leading Team in Enterprise Scientific Innovation".
The company has been awarded the "Second Prize of China Mechanical Industry Science and Technology Award" jointly presented by the China Machinery Industry Federation and the China Mechanical Engineering Society; the "Second Prize of Hunan Provincial Science and Technology Progress", "Second Prize of Hunan Provincial Technical Invention Award", "Second Prize of Hunan Provincial Patent Award", and "Third Prize of Hunan Provincial Technical Invention Award" awarded by the People's Government of Hunan Province; the "Hunan Brand" awarded by the Hunan Provincial Administration for Market Regulation; and recognized as a "Hunan New Materials Enterprise" jointly by the Hunan Provincial Department of Industry and Information Technology and the Hunan Provincial Bureau of Statistics.
The company has established three provincial-level R&D platforms: the Provincial Certified Enterprise Technology Center, the Hunan Special Paper and Pressboard Engineering Technology Research Center, and the Hunan Industrial Design Center. It has formed an expert committee comprising top industry experts and members of the Russian Academy of Engineering Sciences. The company has also established an Insulation Materials Research Institute and an industrial college, building a professional technical team with over 30 years of experience in insulation materials. A well-structured talent pipeline has been developed, encompassing professors, senior engineers, doctoral candidates, and master's degree holders across various technical fields.
The company has led and participated in the formulation of multiple national and industry standards, including "Electrical Pressboard and Thin Pressboard"and "Electrical Laminated Board". It has also been involved in research projects such as "Preparation Technology for Paper-based Composite Materials for Electrical and New Energy Applications"under the 2017 National Key R&D Program's "Key Basic Material Technology Enhancement and Industrialization Project". Through industry-academia-research-application collaboration with multiple research institutes, key universities, and high-end transformer manufacturers, the company has jointly explored cutting-edge technologies and advanced the development of new products, processes, and applications. To date, the company has achieved over 100 scientific and technological achievements and obtained 122 authorized patents, including 14 invention patents.
The company boasts a comprehensive product portfolio, offering insulation paper/pressboard, structural components, and complete equipment systems across all voltage levels. Its core products have pioneered "import substitution" in fiber insulation materials and products for ultra-high voltage electrical equipment. The company's technical achievements have been widely recognized: its "Thin Insulation Fiber Board Technology" has been appraised as internationally advanced; the "Key Technologies for Thick/Extra-Thick Insulation Fiber Boards" have been appraised as internationally advanced, with the "Adhesive-Free Ultra-Thick Insulation Fiber Board Forming Technology" within it also reaching internationally advanced level. Furthermore, the "Key Technologies for Insulation Fiber Formed Components" have been appraised as internationally advanced, specifically the "Adhesive-Free Insulation Paper Screw and L-Clamp Component Technology". The "Aramid Insulation Fiber Material Technology" has been appraised as domestically advanced.
The company operates advanced production lines for insulating paper, pressboard, and structural components. Its current annual production capacity stands at 59,000 tons of insulating pressboard and 17,000 tons of insulating molded parts. The "Electrical Insulating New Materials Expansion" project, underway in 2026, is expected to add an annual production capacity of 15,000 tons upon completion.
The company has obtained certifications for ISO 9001 Quality Management System, ISO 14001 Environmental Management System, ISO 45001 Occupational Health and Safety Management System, and the Weaponry Equipment Quality Management System. It has established an advanced Testing and Analysis Center for Insulating Paper and Pressboard, equipped with 160 sets of cutting-edge inspection and testing facilities. These include fiber image measurement instruments, X-ray machines, dielectric loss testers, dielectric constant testers, computerized paper tear testers, and breakdown voltage testers, enabling comprehensive performance testing of raw materials, semi-finished products, and finished goods.
The company remains steadfastly committed to the technological innovation, product R&D, and quality enhancement of advanced insulation materials, insulation structural components, and insulation solutions. It will continuously improve its core competitiveness in the field of insulation materials,helping the nation address the "bottleneck" issues in high-performance electrical materials, and contributing to the building of a scientifically and technologically powerful nation and ensuring energy and power security.