Security & Protection
| Wed 20 May 2026
Beijing, May 21 -- Yunnan KSEC Machinery Manufacturing has submitted a patent application for Large-torque Self-locking Rotary Steering Engine for Underwater Unmanned Equipment. This invention was developed by Tan Linjia, Zhu Zhi, Xiong Zhen, Feng Yun, Wang Wei, Lin Quanfu, Pu Songkai, Zhang Shun, Peng Lin and Tian Haoyu.
The..