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President: Li Yongsheng


Master tutor of China University of Petroleum, researcher of engineering technology application, an academic leader of China's rock drilling machinery industry, and enjoys special allowances from the State Council. He is a leading talent of the national “Millions of Talents” and a leading talent in the Shandong Taishan industry. Shandong Provincial Government think tank experts, Weifang City's first high-level innovation and entrepreneurial talents, won the honorary title of the top ten outstanding engineers in Shandong Province, the Mayor Quality Award of Weifang City, the model worker of Weifang City, and the “Top Ten Craftsmen” of High-tech Zone.


 In recent years, Mr Li has presided over 5 national projects and more than 20 major scientific and technological projects and technological innovation projects in Shandong Province. He has conducted research and development of 5 categories and 40 specifications, which are domestic leading and alternative imported products. He has won 12 provincial and ministerial-level scientific and technological progress awards, 12 provincial-level outstanding new product awards, 35 provincial-level science and technology awards, and 146 national authorized patents, including 20 invention patents, all of which are first inventors. Standard 3 items.


Mr Li graduated from Shandong Institute of Technology in 1983 with a bachelor's degree in heat treatment technology and equipment. After graduation, he was assigned to the Tianshui Wind Power Factory, the largest manufacturer of the original rock drilling machinery industry. He is a research institute of rock drilling machinery and pneumatic tools industry. The Standardization Committee, the industry product testing center, the industry magazine organizing committee, and the organizer of the industry association represent the highest level of China's rock drilling machinery industry. Mr Li is mainly engaged in heat treatment process research, material failure analysis, and improving the life of wearing parts. He has served as the heat treatment technician, the physical and chemical room director, the deputy chief of the technical department, the deputy chief engineer, the chief engineer, and the deputy general manager of technology. The research work of the product rock drill makes an important contribution to the service life of the wear parts of the rock drill, making the life of the consumable parts at the leading level in the industry, making the product the first brand in the industry and making outstanding contributions to the well-known trademarks in China. In 2005, he was rated as an expert in the government subsidy of the State Council and is the academic leader of the rock drilling machinery industry in China.


After the restructuring of the company in 2008,Mr Li led the core technical team back to Weifang to establish Tianrui Heavy Industry Co., Ltd. as the chairman and chief engineer. He is mainly engaged in the research and development of rock drilling machinery and magnetic levitation technology products. He is in the selection of rock drilling machinery materials and heat treatment technology. Long-term and in-depth research has been carried out on optimization, especially in the research of the service life of key wear parts of rock drills. In 2015, the product was rated as “Shandong Famous Brand Product” and “National Machinery Industry Customer Satisfaction Product”. In 2017, it won the Shandong Province Manufacturing Single Champion Product and Invisible Champion Product. In 2018, it was awarded the National Industrial and Information Department Manufacturing Single Champion Product. It has become the first brand of high-speed rail tunnel construction in China. In the research of heat treatment process of hydraulic breaker and high-pressure impactor, he developed three-stage tempering of drill rod for the characteristics of key pistons, valve blocks and drill rods and failure modes. The new heat treatment process, such as heat treatment process, solves the technical problems of poor wear resistance and easy fracture of key parts, and reaches the international advanced level and can replace imported. In 2016, hydraulic breakers and drill rods were rated as “Shandong Famous Brand Products” and “National Machinery Industry Customer Satisfaction Products”. High-pressure impactors were rated as “National Machinery Industry Customer Satisfaction Products” and the first (set) key core. Parts. Under his leadership, the company uses the international cooperation mode to develop magnetic suspension centrifugal blowers to save energy by 30%-40%, noise reduction of 40 decibels, and long life of 20 years, reaching the world's advanced level, which can reduce the overall operating cost of sewage treatment plants by 20%. It has entered the stage of industrialization and has become a new economic growth point for the company.


At present, Mr Li is also the executive director of the China Steel Structure Association Brazing Steel Brazing Branch, the director of the China Heat Treatment Industry Association, the China Machinery Industry Quality Management Association and the China Machinery Manufacturing Technology Association, the vice chairman of the Shandong Materials Society, and the Shandong Silicate Association. Executive director, director of Shandong Marine Industry Association, director of Shandong Construction Machinery Society and member of Weifang Municipal Committee of Chinese People's Political Consultative Conference, participated in many national, provincial and municipal expert consultations to promote product technology advancement of China's rock drilling machinery And the industry has made important contributions. Mr Li research and focus on the heat treatment process technology of rock drilling machinery products ensured the smooth development of new products of enterprises, maintained the expansion and improvement of the company's continuous technological innovation capability, and promoted the technological advancement and product upgrading of the rock drilling machinery industry. The machinery industry has made outstanding contributions.



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