Business and Commerce
| Tue 22 Sep 2026
Beijing, Sept. 22 -- Qingdao Port International has submitted a patent application for Port Business Data Management Method and System. This invention was developed by Wu Yuzhen, Wu Zhengang, Liu Changhui, Tang Xue, Li Xinzhao, Yao Haiying, Yang Jie, Jiang Chenghua, Nie Chao and Dai Weijun.
The patent application number is CN20..