Thailand Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Vietnam was US$17.73 Thousand during 2018, according to the United Nations COMTRADE database on international trade. Thailand Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Vietnam - data, historical chart and statistics - was last updated on May of 2024.