News/ Picture news

  • OST’s Railway Slope Protection Projects in Northeast China Win High Praise from Multiple Authorities

  • OST Participates in the 2025 Southwest Symposium on Rock Mechanics and Engineering

  • OST's Flood Prevention Efforts Commended for Demonstrating Responsibility and Commitment

  • OST Showcases Innovation at the 7th National Summit on Slope Safety and Ecological Restoration

  • OST Shines at the National Seminar on Disaster Prevention and Mitigation for Transportation Infrastructure