STPI Group, a worldwide leading manufacturers of switching technologies for severe environments, provides a complete range of hermetically sealed relays, function relays and airborne systems for aeronautics, space, military/defence and railways, ranging between 1 Amp to 50 Amps Relays. STPI group also produces an extensive range of electronic and electromechanically equipments for aeronautics, rail and defence industries. The waste range of products includes Non latching relays, Latching relays.