Chemicals
| Sat 05 Sep 2026
Beijing, Sept. 5 -- State Intellectual Property Office of China has awarded a patent to YCIH No 10 Construction for Chemical Expansion Heat Preservation Nail. Li Rongjian, Xi Jing, Song Tianmang, Wang Xingyin, Li Hongyun, Yang Daiyin, Chen Lei, Li Wendong, Wang Qi, Li Chunhui, Wang Peng and Wang Qi developed the invention.
The ..