Plastics
| Thu 09 May 2024
Beijing, May 10 -- Zhengzhou Railway Vocational & Technical College has secured a patent on molding device of moisturizing mask. Zhang Zhe, Wang Jingjing, Zhang Xiaoxia, Tian Mengbing, Chen Jiamei, Lin Yawen, Jia Shilin, Cui Xinyuan, Li Xinyang and Jiang Qichu developed the invention.
The patent application number is CN202320..