Engineering
| Mon 03 Aug 2026
Beijing, Aug. 3 -- Longkou Port Group has filed a patent application for Port Self-discharging Equipment Maintenance Device. This invention was developed by Zhang Fengyuan, Miao Quanlong, Sun Guangpeng, Zhang Jiazhong, Lin Tongjing, Gan Liyou, Huang Xueduo, Yu Xingcheng, Liu Zhi, Zheng Yulei, Sun Shufeng, Li Wei and Liu Xiangqin..