Cameroon Exports of sulfates, alums, peroxosulfates (persulfates) to Equatorial Guinea was US$60.97 Thousand during 2021, according to the United Nations COMTRADE database on international trade. Cameroon Exports of sulfates, alums, peroxosulfates (persulfates) to Equatorial Guinea - data, historical chart and statistics - was last updated on May of 2024.