Construction
| Sun 24 May 2026
Alexandria, May 25 -- Wsgri Engineering & Surveying Incorporation Ltd has sought patent for Deep Underground Hydrogen Storage Structure and its Construction Method. This invention was developed by Zang Zhonghai, Ding Hongyuan, Xie Liang, Yang Guangyu, Chen Bin, Liu Shaoqing, Pan Zhongqi, Jia Wenjie, Chen Zhuang, Luo Xiaoqian, Wa..