Construction
| Sat 06 Dec 2025
Beijing, Dec. 6 -- Dongying Guangtong Tech Co Ltd has sought patent for Multi-stage Stone Crushing Device for Pavement Construction. This invention was developed by Song Liangyou, Song Yingxuan, Liu Guilan, Jia Chengguang, Liu Cui, Li Feng, Liu Hongzhang, Hu Chenrui, Jia Zhenyu, Song Lijuan, Zhang Yunke, Xu Haoran and Lyu Ruihan..