Oman Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to China was US$49.5 Thousand during 2014, according to the United Nations COMTRADE database on international trade. Oman Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to China - data, historical chart and statistics - was last updated on May of 2024.