1. Ansteel Beijing Research Institute Co., Ltd. Beijing 102211 China
2. State Key Laboratory of Metal Material for Marine Equipment and Application Anshan 114009 China
3. Pangang Group Jiangyou Changcheng Speical Steel Co., Ltd. Jiangyou Sichuan 621700 China
4. Hydrogen Energy Research Centre Beijing Institute of Petrochemical Technology Beijing 102617 China
5. Chengdu Advanced Metal Materials Industry Technology Research Institute Co., Ltd. Chengdu 610300 China