Exhibition subjects & technology INDEX
Instant Lock is the spring to prevent fall and self-loosing from bolt and nut.It is easy to install with "hands" without the tools.It has passed the test by impact type vibration testing machine based on NAS3350.
MEISEI ELECTRIC CO.,LTD.
Seismic sensor for Railroad Earthquake Early Warning System
Meisei railroad disaster prevention technology has an important role in protecting the safety of trains. Our Railroad Earthquake Early Warning System will give alarm to stop trains before the tremor of earthquakes arrives.