Security & Protection
| Sun 26 Apr 2026
Beijing, April 27 -- China Merchants Heavy Industry, Jiangsu has sought patent for Self-locking Shaft Locking Device for Ship Shafting. This invention was developed by Zhou Leilei, Dong Xiaowei, Shen Huijun, He Xiaoning, Meng Guangjia, Mo Gang, Li Jing, Sun Yi, Kong Guozhao, Cui Meng, Liu Hui, Liu Huacen and Wang Liguo.
The p..