On April 21, the opening ceremony of Professor Dai Guirui's bronze statue was held. Professor Dai Guirui is a famous agricultural machinery expert, combustion engine expert, and founder of irrigation and drainage machinery industry in China. He once served as vice president of Zhenjiang Agricultural Machinery College and concurrently served as Director of Drainage and Irrigation Machinery Research Office and Director of Powertrain. Professor Dai Guirui devoted his entire life to education and scientific research and made significant contributions to the development of China's irrigation and drainage machinery industry. He had won a special award at the national agricultural machinery exhibition and was received by Premier Zhou Enlai.