Metal & Mining
| Thu 27 Nov 2025
Beijing, Nov. 27 -- Hunan Valin Xiangtan Iron & Steel has applied Chinese patent for Working Layer Gap Filling Device with Vibrating Structure. Tian Zhiguo, Yang Jianhua, Liu Jiwen, Liu Ximao, Jia Jin, Tang Qingjun, Xu Jiyou, Bai Xing, Zhao Yuelong, Zhang Yongdong, Liu Jianxing and Tan Hongwen developed it.
The patent applica..