Imports In 2021, Kazakhstan imported $335 in Bituminous or oil shale and tar sands, becoming the 0th largest importer of Bituminous or oil shale and tar sands in the world. At the same year, Bituminous or oil shale and tar sands was the 0th most imported product in Kazakhstan. Kazakhstan imports Bituminous or oil shale and tar sands primarily from: N/A.