Steel
| Thu 25 Jun 2026
Beijing, June 25 -- Shougang Group has sought patent for Steel for Track Pin and Preparation Method Thereof. This invention was developed by Pan Hui, Han Yun, Wang Songtao, Li Fei, Deng Suhuai, Zhang Wei, Liu Kun, Liang Jiangtao, Zhang Hai, Lai Ping, Yang Jianwei, Zhao Yingjian and Chen Bin.
The patent application number is CN2..