Construction
| Sat 11 Jul 2026
Beijing, July 11 -- Guangzhou Metro Design & Research Institute Co Ltd has sought patent for Lightweight Aggregate, Preparation Method Thereof and Building Material. This invention was developed by Mai Jia'er, Xu Wentian, Nong Xingzhong, Ruan Yanmei, Lai Pengbang, Zhang Jingxiao, Ou Linxia, Yuan Quan and Su Tuo.
The patent ap..