PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE CO., Ltd.
4 patents in portfolio
- US12486549utility2025Moderate-strength Steel Rail and Production Method Thereof0 cites
- US12378649utility2025Method for Producing Hypereutectoid Steel Rail Resistant to Contact Fatigue0 cites
- US11866801utility2024Method for Optimizing Microstructure of Rail Welded Joint0 cites
- US11655514utility2023Deeply-hardened-surface Turnout Rail with High Degree of Undercooling and the Preparation Method Thereof0 cites