On March 29, 2017, the "2017 China International Clean Energy Expo and 2017 China International Wind Power Technology and Equipment Seminar" was held at the Beijing China International Exhibition Center, sponsored by the China Electric Power Enterprise Federation, the Power Industry Committee of the China Council for the Promotion of International Trade, the Jiangsu Renewable Energy Industry Association, and Beijing Tiger Exhibition Co., Ltd., and organized by the International Cooperation Department of the China Electric Power Enterprise Federation, the Wind Power Professional Committee of the Jiangsu Renewable Energy Industry Association, and Beijing Tiger Exhibition Co., Ltd. The conference attracted experts and well-known enterprises and institutions from the domestic and foreign wind power industry to attend. The conference representatives introduced, exchanged, and discussed recent wind power generation technologies and products, as well as the application of new materials for offshore wind power.

 Shi Xinchun, Secretary General of Jiangsu Renewable Energy Industry Association, Shi Pengfei, Honorary Chairman of Heavy Duty Wind Energy Association, He Lin, Deputy Representative of the Nanjing Representative Office of the Netherlands Council for the Promotion of Trade, Xie Guohui, Director of the New Energy Institute of the Energy Research Institute of the National Development and Reform Commission, Xin Kefeng, President of China Datang New Energy Technology Research Institute, and Yao Yanshu, Executive Vice General Manager of Beikong Clean Energy Wind Power Group, delivered opening speeches and policy interpretations. This article discusses the understanding and recognition of the policy situation for the development of wind power in China, and provides prospects for the development of the Chinese wind power industry.

Dr. Zhang Mingyi, Deputy Chief Engineer of our company, represented Jinhai Group at this meeting and introduced the continuous optimization and application of wind turbine support structures. Dr. Zhang Mingyi gave a brilliant speech on our company's key research and development project in the field of wind power, the technology of replaceable anchor bolts. At the same time, the construction plan, economic benefits, application situation, and foundation ring repair plan for replaceable anchor bolts were introduced. As the market share of anchor bolt foundations in the domestic wind power market continues to increase, it has also sparked competition from more anchor bolt suppliers. In order to lower costs and reduce the requirements for quality control of anchor bolts, the risk of anchor bolt breakage has increased. Once the existing prestressed anchor bolts break, they cannot be replaced. The foundation concrete of wind power towers needs to be knocked open, and anchor bolts need to be reinstalled, which is a bottleneck in the use of prestressed anchor bolts due to the large amount of work, high cost, and inconvenient replacement. The replaceable anchor bolt technology can completely separate the entire anchor bolt from the concrete, ensuring the smooth removal of broken anchor bolts and the smooth screwing in of new anchor bolts. The research and development of this technology has long-term significance for the industrial development and application of wind turbine support structures.

Dr. Zhang Mingyi's speech

This meeting has made experts and well-known enterprises and institutions in the wind power industry at home and abroad aware of the broad prospects of replaceable anchor bolt technology in wind power applications. At the same time, it has demonstrated to industry experts that Jinhai Group, as a high-tech enterprise, invests and values new technologies. In the future, Jinhai Group will continue to increase research and development investment, explore and innovate, and contribute its own strength to the development of the global wind power industry!

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