Construction
| Tue 13 Jan 2026
Beijing, Jan. 14 -- China Nat Offshore Oil Corp and Offshore Oil Engineering have filed a patent application for Hydraulic Steel Pile Construction Platform. This invention was developed by Jiang Huayun, He Chen, Zhu Qidong, Li Xuenan, Kuang Yang, Yan Yichen, Zhang Shouming, Xie Weiwei, Li Junhua, Wang Chao, Li Qibao, Shi Kai, Lu..