Plastics
| Wed 14 Jan 2026
Beijing, Jan. 15 -- Ma Zhengxuan has obtained a patent for two-component polyurethane high polymer grouting device. This invention was developed by Ma Zhengxuan, Wang Yuan, Liu Jiayi, Zhang Yuwei, Zhang Hongyu, Kong Chuishun, Tian Xiyuan, Zhang Tong, Zhao Xianwen and Bai Yijian.
The patent application number is CN202422318684..