Tobacco
| Sat 13 Dec 2025
Beijing, Dec. 13 -- China Tobacco Guangdong Industrial has submitted a patent application for Filter Tip and Cigarette. Cui Yaoqiang, Xu Peigang, Wen Huaguo, Wen Xu, Wang Yihan, Feng Zhibin, Li Huanwei, Xie Dinghai, Yao Pingzhang, Zhang Guozhi, Huang Yifei, Wang Jiajun and Guo Zhongya developed the invention.
The patent applica..