Construction
| Tue 02 Dec 2025
Beijing, Dec. 3 -- Weifang Changda Construction Group has been granted a patent for Stone Grinding Device for Indoor Decoration. Jiang Yu, Shi Qingqing, Sun Fenglin, Guo Baosheng, Zhou Peng, An Weiping, Yuan Cuiping, Xu Zhaohua, Liu Feipeng, Jiang Zongjie, Xu Pengzhen, Liu Juan, Zhang Jingjing, Zang Yunbo, Feng Zhongqiang and Ga..