Printing & Publishing
| Thu 11 Dec 2025
Beijing, Dec. 11 -- The 1st Construction Co Ltd of 22MCC Group and China 22MCC Group Corporation have sought patent for Marble Line Ink Fountain for Building Construction. This invention was developed by Si Jianlei, Yan Hai, Li Changlin, Jiang Shihai, Dai Chao, Zhang Hao, Xu Jia, Guo Julin, Wang Yueqiang and Zhou Zhiqun.
The ..