Steel
| Tue 30 Jun 2026
Beijing, June 30 -- Inner Mongolia First Machinery Group has filed a patent application for Low-density Steel Material and Preparation Method Thereof. This invention was developed by Wang Zhiyong, Zang Lei, Wang Lu, Jia Dongsheng, Xu Haojie, Duan Aiping, Zhao Yinhu, Tan Fei, Liu Wanfa, Li Jianguo, Wang Xin and Huang Ji.
The pat..