Printing & Publishing
| Tue 02 Dec 2025
Beijing, Dec. 2 -- Chinese Patent for Wear-resistant Accurate Feeding Device for Color Ink Processing has been issued to Haiyan Huada Ink Co Ltd. This invention was developed by Han Haixiang, Shen Fang, Chen Yating, Cai Qinhua, Zhang Fan, Ji Qinfang, Sun Weiwei, Kang Zhuwei and Chen Ming.
The patent application number is CN20..