Poland Exports of coke, semi-coke of coal, of lignite, of peat; retort carbon to South Korea was US$2.61 Million during 2021, according to the United Nations COMTRADE database on international trade. Poland Exports of coke, semi-coke of coal, of lignite, of peat; retort carbon to South Korea - data, historical chart and statistics - was last updated on May of 2024.