Agricultural
| Tue 16 Dec 2025
Beijing, Dec. 17 -- State Intellectual Property Office of China has awarded a patent to Jilin Academy Agricultural Machinery for Quick-pressing Pressure-releasing Quick-opening Valve. Huang Chao, Zhang Tianyi, Sun Jing, Chen Wencheng, Li Jing, Li Huiying, Chen Wenlong, Liu Duo, Ding Wei, Yuan Cunliang, Zhang Leilei, Jiao Yunxue,..