Paper and Pulp
| Tue 17 Feb 2026
Beijing, Feb. 17 -- Zhangjiakou Cigarette Factory has applied Chinese patent for Elliptical Shaft Device for Paper Supply System of Filter Tip Assembling Machine. Li Duanduan, Wang Zhen, Ji Peng, Zhou Laihong, Ma Chaohui, Yang Jiansheng, Zhao Changjiu, Ding Ying, Sun Wei, Li Jintao, Liu Huge, Zhao Jianli, Zhang Jianlong and Yu Y..