Russia Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Kazakhstan was US$6.31 Million during 2021, according to the United Nations COMTRADE database on international trade. Russia Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Kazakhstan - data, historical chart and statistics - was last updated on May of 2024.