Plastics
| Thu 01 Oct 2026
Beijing, Oct. 1 -- Qingdao Shendu Packaging has obtained a patent for feeding assembly for gift bag production raw material paper film covering device. This invention was developed by Yu Yuanyuan, Liu Haiwen, Liu Liping, Zhang Pengtao, Han Dong, Luo Dezhi, Sun Wencheng, Yin Zhiwei and Dong Xinchao.
The patent application numb..