Business and Commerce
| Mon 24 Nov 2025
Beijing, Nov. 24 -- Dongbei Special Steel Group Co Ltd has submitted a patent application for Calculation Method for Accurately Determining Converter Tapping Aluminum Addition Amount. Lin Limin, Qin Hongwei, Gong Zhe, Feng Rongpeng, Jiang Shengxin, Tang Jian, Wang Xinghua, Hou Xueyu, Bi Sheng, Gao Shifeng, Lyu Changhai, Jiang Yi..