Hengheng ultra-high pressure technology has entered the ranks of the world's advanced level

In 2007, the project titled "Key Technology Research, Equipment Development and Engineering Application of 750 kV AC Transmission and Transformation," developed by TBEA Hengyang Transformer Co., Ltd., was awarded the prestigious "First Prize of National Science and Technology Progress Award" by the State Council. This achievement marked a significant milestone, proving that the company's ultra-high voltage technology had reached world-class standards. The journey began in August 2003 when the company signed a major contract with State Grid Corporation to manufacture 750 kV power transmission and transformation equipment. This included supplying reactors for the Qingting Guanting to Gansu Lanzhou East Transmission Substation Demonstration Project, which is located at the highest altitude in the world. Over 100 technical experts worked together to overcome more than 80 global challenges in product design, manufacturing processes, and quality inspection. Their efforts led to the successful realization of "one-time manufacturing, one-time installation, and one-time operation." The project also resulted in 13 national patents, showcasing the company’s innovation and technical excellence. At the core of the transformer lies the coil, often referred to as its "heart." In their development process, the engineers adopted a new design concept based on foreign technology, significantly improving the reliability of the product. This approach not only enhanced performance but also contributed to energy efficiency and material savings, making the products more cost-effective and environmentally friendly. Since the reorganization of TBEA, the company has experienced rapid growth. Over the past seven years, it has focused on reaching the world's leading edge in power transmission and transformation technology. Its output value soared from 100 million yuan in 2000 to 2.5 billion yuan in the most recent year, while net assets increased by an impressive 502 times. Annual tax payments rose from 7.92 million yuan to 135 million yuan during this period. To support continuous innovation, the company invested 1.2 billion yuan in three major technological upgrades. Aligned with the country's medium- and long-term development plans, the company has undertaken key scientific research projects under the "10th Five-Year Plan" and "Eleventh Five-Year Plan." It has mastered the technology for 750 kV and 1000 kV transformers and reactors—equipment representing the pinnacle of global power transmission technology. Additionally, the company has developed independent intellectual property rights in critical technologies such as the one-million-kilowatt generator main transformer. The company has provided cutting-edge technologies and services for major national projects, including the Three Gorges Project, the West-East Power Transmission Project, and the UHV AC Demonstration Project. As a result, it has become a leading player in China's power transmission and transformation industry. Currently, it holds over 100 core patent technologies and proprietary technologies both domestically and internationally, along with nearly 100 invention patents. Prior to this, the company's 750 kV reactor was honored with the "China Machinery Industry Special Award." Today, the company is actively working on the development of a 1700 kV transformer, which represents the highest level of technological advancement in the field. This ongoing effort underscores its commitment to pushing the boundaries of power transmission technology and maintaining its position as an industry leader.

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