Construction
| Wed 14 Oct 2026
Beijing, Oct. 14 -- State Intellectual Property Office of China has awarded a patent to Henan Kanghui Cement Products Co Ltd for Silica Gel Bottom Die for Special-shaped Brick Die. Yu Xiaohui, Wang Shu, Li Junjie, Liu Xiaotao, Zhao Fengli, Zhang Caiyun, Wang Wengang, Yi Yanfei, Yuan Kai, Liu Rongbing and Duo Yinghong developed t..