The MRT Sungai Buloh–Kajang line is the ninth rail transit line and the second fully automated and driverless rail system in the Klang Valley area, Malaysia after the Kelana Jaya Line.
The specification team have a hard time for the keying solution which has 4 tier and with restricted keyways for all 31 elevated and underground stations.
By using Vachette mortise lock and Tesa cylinder for all stations.