Laos Imports of pebbles, gravel, flint, macadam of slag, tarred macadam from Vietnam was US$6.8 Thousand during 2020, according to the United Nations COMTRADE database on international trade. Laos Imports of pebbles, gravel, flint, macadam of slag, tarred macadam from Vietnam - data, historical chart and statistics - was last updated on May of 2024.