Liu Chengjian, senior economist, senior professional manager, mechanical engineer, intellectual property engineer, is currently the chairman of Jiangsu Rudong Jinyou Machinery Co., Ltd., the person in charge of the Engineering Technology Research Center and the party branch secretary.

This comrade has been engaged in the research and development, operation, production and management of petroleum machinery special equipment for more than 20 years. He has presided over provincial and ministerial projects and other types of projects, and has accumulated profound organizational implementation and scientific research management capabilities. He himself was selected as a science and technology entrepreneur in Jiangsu Province and the second-level training target of Nantong City's "226 High-level Talent Training Project". He has presided over and undertaken many provincial and ministerial projects, led the team to apply for more than 60 patents, of which 12 invention patents, 35 utility model patents, and 2 software copyrights have been authorized, and 4 papers have been published.

While his business is developing rapidly, he is also committed to the development of social undertakings. He serves as a director of the China Petroleum and Petrochemical Equipment Industry Association, vice president of the Beijing Green Design Promotion Association, director of the Small and Medium Enterprises Alliance of the Jiangsu Federation of Industry and Commerce, deputy secretary-general of the Small and Medium Enterprises Committee of the Nantong Federation of Industry and Commerce, executive vice president of the Nantong Corporate Culture Promotion Association, executive member of the Rudong County Federation of Industry and Commerce (Chamber of Commerce) and vice president of the Rudong County Jugang Street Entrepreneurs Association.