Retail & Household
| Fri 25 Sep 2026
Beijing, Sept. 25 -- Caofeidian Port Group has secured a patent on Spring Locking Self-unhooking Lifting Hook. Wei Junwei, Zhang Yongbo, Yan Ke, Di Lei, Geng Tongtong, Tian Zongyu, Liu Yinan, Yu Aijiang, Sun Hao and Wu Binbin developed the invention.
The patent application number is CN202520276492U 20250220. The patent publicat..