Switzerland Exports of nails, tacks, drawing pins, staples, of iron or steel to Sao Tome And Principe was US$43 during 2016, according to the United Nations COMTRADE database on international trade. Switzerland Exports of nails, tacks, drawing pins, staples, of iron or steel to Sao Tome And Principe - data, historical chart and statistics - was last updated on May of 2024.