Cameroon Exports of screws, bolts, nuts, coach screws, screw hocks, rivets, of iron or steel to China was US$49 during 2020, according to the United Nations COMTRADE database on international trade. Cameroon Exports of screws, bolts, nuts, coach screws, screw hocks, rivets, of iron or steel to China - data, historical chart and statistics - was last updated on May of 2024.