Industrial
| Tue 01 Apr 2025
Beijing, April 2 -- Dongying Guangtong Tech Co Ltd has obtained a patent for napping machine for signboard layout production. This invention was developed by Song Liangyou, Yue Weifeng, Liu Hongyan, Xi Wenyan, Song Lijuan, Zhu Min, Jing Hongguang, Guo Xuhua, Li Shengjun, Song Yingxuan, Song Zitong, Qin Haizhen, Liu Guilan, Liu Y..