Namibia Exports of setts, curbstones, flagstones, of natural stone (except slate) to Angola was US$1.79 Thousand during 2017, according to the United Nations COMTRADE database on international trade. Namibia Exports of setts, curbstones, flagstones, of natural stone (except slate) to Angola - data, historical chart and statistics - was last updated on May of 2024.