Industrial
| Tue 16 Dec 2025
Beijing, Dec. 17 -- CHN Energy Group Ningxia Coal Industry has been granted a patent for High-pressure Isolating Valve. Yang Dongmei, Yang Bing, Lei Peng, Meng Weining, Jiang Yong, Yue Feng, Ha Qian, Liu Haiyan, Wang Wuheng, Zhang Dingdong, Zhang Runzhi and Wei Zhiyong developed the invention.
The patent application number is..