Crompton greaves, a part of the avantha group, and a conglomerate with the global footprint offers signalling relays. Crompton greaves offers a wide range of `q` series railway signaling relays to meet various types of signal circuit application as route relay interlocking, panel interlocking, automatic signaling, point operations, track circuiting etc. They are certified with iso 9001:2000. These railway products are applied to diesel locomotive works [dlw], zonal railways /railway workshops, integral coach factory [icf], chittaranjan locomotive works [clw], rail coach factory [rcf], railway electrification [core], ircon, rites, cofmow, konkan railways, electrification [core].
