Sports
| Sat 14 Feb 2026
Beijing, Feb. 14 -- Ling Yuan Iron & Steel has sought patent for Method for Preventing Bloom Grinding Ball Steel Rolling Nest Cracks. This invention was developed by Liu Qingqing, Gao Cai, Guo Mingming, Lu Xiaolei, Qi Junzhe, Qi Hewu, Shen Yue, Huang Yusheng and Wang Yang.
The patent application number is CN202510667012 2025052..