Shipping and Marine
| Wed 19 Aug 2026
Beijing, Aug. 19 -- Dalian Shipbuilding Industry has submitted a patent application for Lifting and Turning-over Method of Welding-free Lifting Lug. This invention was developed by Huang Yanfeng, Wang Jining, Huang Luming, Luo Da, Zhang Keqiang, Li Jing, Li Shengkai, Li Lu, Wang Yingang and Huang Tianying.
The patent applicatio..