Metal & Mining
| Sat 06 Jun 2026
Beijing, June 6 -- Shandong Haoxin has submitted a patent application for Gray Iron Casting Alloy, Brake Drum and Casting Method of Brake Drum. Gao Shiyang, Ma Changwei, Wang Jie, Wang Haoxin, Liu Guangda, Xu Shuqin, Zhang Jun, Wang Shuo, Chen Han, Li Jie, Jiang Tengfei, Shao Binghao, Wang Xinyu and Zhou Jianqiang developed the ..