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IEC Inc — Bridge Expansion Joints, Structural Bearings, Seismic Devices and TWINSA Smart Monitoring

Hong Kong-Zhuhai-Macao Bridge, Hong Kong Section

Hong Kong-Zhuhai-Macao Bridge (US$18B): IEC modular joints with multi-movement capacity in world's highest-valued bridge

 SoFi Stadium, Los Angeles, California, USA

SoFi Stadium (US$5.5B): 6376 units of IEC sliding bearings were installed in the world's highest value building

 Lancang River Bridge, Sichuan-Tibet Railway, Tibet, China

Sichuan-Tibet Railway (US$46B): 432 pieces of IEC Metallic Dampers were installed in world's highest-valued railway

 UK and European Markets

Millions of meters of single-gap stripseal expansion joint supplied to UK and European market

Engineering critical connections for bridges and infrastructure — expansion joints, structural bearings, seismic devices, and TWINSA, the technology that makes structural forces measurable.

Products & References

Expansion Joints Expansion Joints Structural Bearing Structural Bearing Seismic Devices Seismic Devices Innovative Engineering Service Innovative Engineering Service TWINSA TWINSA

TWINSA — the boundary force, finally measured

In-situ calibrated smart bearings, adaptive digital twin, force-governed adjustment — reliability stops being assumed and becomes a managed quantity.

5–150,000 kNcapacity range
< 3.5 %in-situ calibration error
160 MNadjusted under load
≈2,000×lower failure probability (β 3.5→5.2)
Explore TWINSA →

Latest News

November 5, 2025

World First: IEC Completes On-Site Load Transfer and Full Retrieval of Rotational Spherical Bearings
July 22, 2025

IEC’s Intelligent Rotational Bearing System Powers Record-Breaking Twin-Span Bridge Rotation in Xi’an
December 27, 2024

IEC Recognized as a National "Specialized, Refined, Distinctive, and Innovative" (SRDI) Little Giant Enterprise

All news →