Construction
| Thu 29 Jan 2026
Beijing, Jan. 30 -- Zhengzhou Highway Eng Company has submitted a patent application for Road and Bridge Marking Device. This invention was developed by Chen Jing, Su Chaoqun, Tan Jingjing, Wang Weiwei, Zheng Hao, Liu Jing, Mao Liang, Li Kang, Zhu Yaxing, Gao Shan, Yue Yan, Guo Zi'ang, Sun Ling, Pan Nixi and Sun Ruoyu.
The pa..