Imports In 2020, Brunei imported $18 in Marble and travertine, crude or roughly trimmed, becoming the 0th largest importer of Marble and travertine, crude or roughly trimmed in the world. At the same year, Marble and travertine, crude or roughly trimmed was the 0th most imported product in Brunei. Brunei imports Marble and travertine, crude or roughly trimmed primarily from: N/A.