Stelsen Partner
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Earthquake Early Warning

Leader in Seismology and Structural Health Monitoring

San Lien Seismic Devices
Intelligent Seismic Monitoring

Automated Early Warning

San Lien is a renowned global specialist in seismology and structural health instrumentation. Renowned for precision seismographs, accelerometers, and real-time monitoring software, San Lien systems detect earthquake P-waves to trigger building shutdowns seconds before damaging S-waves hit.

Stelsen Integrated Systems Inc. imports and commissions San Lien seismic monitoring systems in the Philippines. We supply civil defense agencies and building operators with accelerographs that comply with DPWH and local building codes, protecting occupants and utility infrastructure during seismic events.