Quality you can verify
Every claim on this page is backed by a certificate, an accreditation, or a published standard — the same discipline TWINSA brings to structural forces.
IEC structural bearings and seismic devices are CE certified for the major product categories — including spherical, pot and elastomeric bearings and friction-pendulum systems — attesting compliance with European quality and safety standards (EN 1337, EN 15129).
Company-wide quality management system certified to ISO 9001.
IEC’s in-house laboratory is CNAS-accredited to ISO 17025 and recognized internationally through the ILAC Mutual Recognition Arrangement (MRA) — test reports accepted across member economies.
In-house compression-shear testing machines with 30,000 kN and 5,000 kN vertical load capacity (15 % horizontal capability), within 36,000 m² of manufacturing and testing facilities.
IEC is a primary drafter of national standards in its product fields — including JT/T 1270.3 (cantilever expansion joints) — and by 2024 holds 152 patents with a key role in the development of four standards. Two more are in the pipeline, born directly from TWINSA:
Internationally, IEC chairs IABSE Task Group 6.8 (Mechanical Adaptivity for Sustainable Structural Lifecycle), where the measured-boundary-force agenda is being written with peers from UC Berkeley, UIUC, FIU and the Institute of Engineering Mechanics.
See how these standards emerged from the technology: TWINSA · Standards · More on quality and facilities: About Us · Quality
