Paper and Pulp
| Tue 02 Dec 2025
Beijing, Dec. 3 -- Zhongyuan Univ of Science and Technology has secured a patent on Food Packaging Paper Bag Opening Device. Ma Weiwei, Han Haoyi, Cheng Qixuan, Wang Zhifen, Wang Yibo, Chen Ying, Zheng Yi, Huang Yongxin and Lu Yongkang developed the invention.
The patent application number is CN202422577836U 20241024. The pat..