Pipe
| Mon 17 Aug 2026
Beijing, Aug. 17 -- Shanxi Xinyuan Coal has been awarded a patent for Roadway Surrounding Rock Grouting Pipe. This invention was developed by Wang Lei, Guo Liguo, Wang Dong, Chen Haifei, Liu Yabin, Guang Lixin, Wang Jiawei, Song Xiaojing, Zhou Qi, Guo Siyang, Bai Yu and Lyu Jie.
The patent application number is CN202423317878U ..