Tobacco
| Tue 27 Oct 2026
Beijing, Oct. 26 -- Baoding Cigarette Factory of Hebei Baisha Tobacco has been granted a patent for Multifunctional Key. Wang Zhong, Li Yue, Liu Tongshan, Zhuang Chunyou, Zhang Jiangtao, Chen Yuanyuan, Zhang Xing, Lyu Yanfeng, Shi Rui, Guo Ruijiang, Gao Yan, Zhang Zhixin, Wei Yanpo and Liu You developed the invention.
The pat..