Romania Exports of coke, semi-coke of coal, of lignite, of peat; retort carbon to Kazakhstan was US$2.7 Thousand during 2002, according to the United Nations COMTRADE database on international trade. Romania Exports of coke, semi-coke of coal, of lignite, of peat; retort carbon to Kazakhstan - data, historical chart and statistics - was last updated on May of 2024.