Tobacco
| Mon 02 Feb 2026
Beijing, Feb. 3 -- China Tobacco Yunnan Industrial has submitted a patent application for Method for Evaluating Falling Tendency of Cigarette Combustion Cone. This invention was developed by Zheng Han, Wang Hao, Liu Zhihua, Liu Jihui, Yang Lan, Ma Xiaolong, Xie Jiao, Zhou Bing, Yu Tingting, Chang Sheng, Wang Xu, Yue Baoshan and ..