Tools and Machinery
| Mon 19 Oct 2026
Beijing, Oct. 19 -- State Intellectual Property Office of China has awarded a patent to Guangzhou Metro Group for Tool for Disassembling Floating Ball of Sewage Tank in Toilet of Motor Train Unit. Zhang Zhilin, Yu Penghui, Liu Yunjian, Wu Yufa, Liu Zhaotang, Liu Yijun, Xiang Jiahong, Yang Jiahao, Wang Yongliang, Liu Haihui, Deng..