Tobacco
| Thu 17 Sep 2026
Beijing, Sept. 16 -- Yunnan Tobacco Machinery, Hongta Tobacco Group and China Tobacco Yunnan Industrial have filed a patent application for Winding and Unwinding Transmission Device and Method. This invention was developed by Chen Jing, Hu Liwen, Wang Run, Zhou Geng, Liu Kehong, Fu Yunzhe, Li Ling, Liu Fei, Wang Qingping, Han Gu..