Construction
| Wed 19 Aug 2026
Beijing, Aug. 19 -- Shandong Hi Speed Yunnan Dev Co Ltd and Beijing Xinqiao Tech Development Co Ltd have secured a patent on Concrete Aggregate Treatment Device. Jiang Yujie, Song Xiuqiang, Jiang Guanglun, Mi Yixuan, Yu Lei, Hu Tao, Sun Tao, Yang Xiaoyu, Zhang Guoqing, Yang Xinyu, Wang Zhenqin, Yang Yingqian, Li Guiming, Wang Ho..