News/ Picture news

  • OST Chairman Lv Hanchuan Was Invited by Hong Kong Polytechnic University for Academic Exchanges

  • China’s First Flexible Steel Structure Shed Tunnel for High Speed Railway Was Reported by CCTV News

  • Romantic Six-day Tour in Nha Trang for OST and The Families

  • The Largest Flexible Steel Structure Shed Tunnel Project in China Was Completed Successfully

  • Striving Hard to Accomplish the Best Slope Protection Project in China – the Eternal Destiny of OST People