If you go down Changi North Street on Google Earth some older pictures from 2008 will appear showing that Denselight used to occupy the building next door as well.
https://www.google.ca/maps/@1.3507582,103.9668404,3a,75y,38.98h,86.14t/data=!3m6!1e1!3m4!1sWtdLoXPlRhagoTB_amntqQ!2e0!7i13312!8i6656