Tonga Exports of beryllium, chromium, germanium, vanadium, gallium, hafnium to New Zealand was US$2 during 2013, according to the United Nations COMTRADE database on international trade. Tonga Exports of beryllium, chromium, germanium, vanadium, gallium, hafnium to New Zealand - data, historical chart and statistics - was last updated on May of 2024.