Construction
| Sat 29 Aug 2026
Beijing, Aug. 29 -- State Intellectual Property Office of China has awarded a patent to Wangqing Beifang Cement Co Ltd for Feeding Device for Cement Production. Sun Liguo, Wang Lijun, Shan Chengwu, Geng Fuping, Zhao Zhiyong, Liu Shuai, Shi Guang, Bian Lijie, Han Jingpeng, Park Kwang-myung, Yu Zhixin, Zhang Weiguo and Ji Xiaomin ..