Textile
| Tue 25 Nov 2025
Beijing, Nov. 26 -- Shandong Sanjian Construction Eng Co Ltd and Shandong Sanjian Construction Engineering Management have been awarded a patent for Device for Observing Fullness of Grouting in Sleeve. This invention was developed by He Changkun, Sun Yanming, Bai Ming, Yao Rongxian, Wang Yu, Lyu Chao, Lyu Meng, Ye Chuang, Choi S..