Chemicals
| Tue 24 Mar 2026
Beijing, March 24 -- Hebei Hegang Material Technology Research Institute, HBIS Group and HBIS have sought patent for Method for Producing Special-grade Pure Iron by Using Stainless Steel Oxide Scale. This invention was developed by Hou Wei, Liu Xu, Sun Xiaoran, Yang Ting, Zhao Yizhe, Qi Zhennan, She Yadong, Pan Jin, Lu Jie, Zhan..