Laos Imports of pebbles, gravel, flint, macadam of slag, tarred macadam from Belgium was US$31.05 Thousand during 2015, according to the United Nations COMTRADE database on international trade. Laos Imports of pebbles, gravel, flint, macadam of slag, tarred macadam from Belgium - data, historical chart and statistics - was last updated on May of 2024.