Business and Commerce
| Tue 09 Dec 2025
Beijing, Dec. 10 -- Zhangjiakou Cigarette Factory has submitted a patent application for Shred Returning Amount Sampling Device for Cigarette Making Machine. This invention was developed by Wang Hongsu, Zhao Changjiu, Cui Yongwang, Ding Lisheng, Chu Yan, Wang Yafei, Su Qiao, Wang Zhen, Li Jie, Zheng Guoxiang, Wu Tingting, Yang J..