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Pioneering Tunnel Engineering Consulting &
Full-Stack Software Development

Integrating 30 years of field-proven expertise with high-performance computational intelligence.

Advanced Engineering FEA Analysis

Driven by Expertise. Defined by Performance.

Professional Excellence: 30 Years of Pedigree

Elite Technical Leadership

Our core team comprises senior experts with over three decades of experience in engineering R&D and large-scale project delivery. We bridge the gap between academic research and practical implementation, ensuring every solution meets the most rigorous industry standards.

Proven Track Record in Infrastructure

  • Railway Tunnels: Successfully delivered 300+ tunnels, totaling over 400 km in length.
  • Complex Geometry: Record-breaking single-tunnel spans of up to 22 meters.
  • Extreme Lengths: Engineering management for tunnels extending up to 15.2 km.
  • Deep Excavation: Expertise in urban underground spaces with depths reaching 33 meters.

Integrity: The Foundation of Strategic Partnerships

Trust is our most valued asset. For decades, Longhao Inc. has been a preferred partner for Fortune Global 500 state enterprises, design institutes, and private sector leaders across rail, highway, metro, and metallurgy industries.

  • Flawless Compliance: Zero credit violations and a 100% contract fulfillment rate.
  • Long-term Synergy: High client retention driven by rigorous technical standards and transparent communication.

Efficiency: Accelerating Engineering Workflows

We redefine productivity through innovation. By developing proprietary automated analysis systems, we help our clients significantly reduce design cycles in tunnel, bridge, and metro projects. Our tools are built by engineers, for engineers, ensuring they solve real-world bottlenecks.

High Performance: A Full-Stack Engineering Ecosystem

Our multi-language proficiency (C++, Python, C#, Fortran) allows us to deploy the optimal technology stack for every challenge—balancing raw computational power with scalable usability.

Computational Core

Specialized in multi-physics coupling and large-scale FEA for complex geological conditions.

Integrated Automation

One-click generation of standardized engineering drawings and 3D parametric models.

Cloud-Native Collaborative Architecture: Our platform supports zero-configuration web access, real-time team synchronization, and elastic deployment on both local clusters and secure cloud resource pools.