Construction
| Mon 09 Nov 2026
Beijing, Nov. 9 -- Ningxia Road & Bridge Construction has received a patent for Concrete Guardrail Joint Cutting Device. This invention was developed by Shi Jia, Li Hang, Gao Yonghuai, Shen Yanfeng, Cai Cheng, Liu Yaoxian, Yang Zhongke, Wang Xiyong, Han Jinlin, Xu Jianwei, Yang Lin, Wang Lirong, Wang Ji Hoon and Shi Junchen.
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