Shipping and Marine
| Thu 07 May 2026
Beijing, May 7 -- Dalian Shipbuilding Industry has filed a patent application for Energy-saving Guide Wheel Design Method. This invention was developed by Zhang Qian, He Xu, He Duolun, Li Wenhe, Hou Yupin, Li Kun, Liu Guolei, Tan Xinglong, Huo Hongbo, Wu Fang, Wang Shuang, Lu Ran and Ge Haichao.
The patent application number is..