Chemicals
| Sat 15 Aug 2026
Beijing, Aug. 15 -- Beijing Shouhua Construction Operation has obtained a patent for color painting pigment grinding device. This invention was developed by Hu Qiutao, Wu Hongjing, Zhou Feng, Zhao Gengchao, Tian Baosheng, Shi Xiangming, Li Jintao, Liu Zaikun, Zheng Qiang, Ma Xiaohui, Yang Chun, Peng Yue, Li Qingying, Liang Heng ..