Printing & Publishing
| Mon 22 Apr 2024
Beijing, April 23 -- Changge Dayang Paper has secured a patent on waste material cutter for printing and packaging materials. Sun Jingfeng, Zhang Jianmin, Hu Songfeng, Zhang Junping, Ma Dayong, Yue Zhonghua, Cao Linqiang, Zhang Qiangqiang, Wang Jianyong, Ye Xiaohua and Gao Yunlong developed the invention.
The patent applicati..