Mexico Exports of coke, semi-coke of coal, of lignite, of peat; retort carbon to China was US$4.85 Thousand during 2012, according to the United Nations COMTRADE database on international trade. Mexico Exports of coke, semi-coke of coal, of lignite, of peat; retort carbon to China - data, historical chart and statistics - was last updated on May of 2024.