We manufacture all types of Pre-Stressed Concrete Sleepers such Main line Broad Gauge Sleepers, Switch Expansion Joint Sleepers, Level Crossing sleepers, Turnout sets points & crossing sleeper both for 1:12 & 1:8.5, etc as well as Slabs for Bridge spans. Ashi Limited was the 1st concrete sleeper manufacturing plant in the Northern Railway to be certified as an ISO 9000 company