Transportation
| Mon 04 May 2026
Beijing, May 4 -- China Railway Siyuan Survey and Design Group has sought patent for Upper Cover Plate Structure with Drainage Function. This invention was developed by Huang Zhiqin, Zhu Xiaoxi, Huang Bo, Wang Yu, Zhou Xiaokang, Gong Wen, Liu Yunqiang, Yu Wenbin, Sun Yawei, Wu Changhao, Yuan Yue, Lu Li, Yu Xiao, Yi Xiao and Yin ..