WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd.
3 patents in portfolio
- US11970564utility2024Structural Flame Retardant High Strength Low Exothermic Polymer Grouting Material for Consolidating0 cites
- US11708933utility2023Pipeline Radar and Television Inspection Robot0 cites
- US11585467utility2023Trenchless Methods for Forming Curved Hole Channel with Steel Sleeve and Pipeline Lifting0 cites