Metal & Mining
| Mon 26 Jan 2026
Beijing, Jan. 26 -- Qinghai Century Aokai Mining and Metallurgy Dev Co Ltd has sought patent for Iron Alloy Fine Casting Device and Method. This invention was developed by Jia Shuhan, Tuo Wenjun, Hou Ruiyi, Zhang Jing, Jia Haihong, Shi Yingcai, Jia Yuqiao, Huang Liwei, Liu Qiancheng, Shang Menghe and Tian Fenglin.
The patent ..