New Zealand Imports from Singapore of Sulfates, Alums, Peroxosulfates (Persulfates) was US$29.85 Thousand during 2022, according to the United Nations COMTRADE database on international trade. New Zealand Imports from Singapore of Sulfates, Alums, Peroxosulfates (Persulfates) - data, historical chart and statistics - was last updated on May of 2024.