Hong Kong Imports from Switzerland of Sulfates, Alums, Peroxosulfates (Persulfates) was US$5.1 Thousand during 2016, according to the United Nations COMTRADE database on international trade. Hong Kong Imports from Switzerland of Sulfates, Alums, Peroxosulfates (Persulfates) - data, historical chart and statistics - was last updated on May of 2024.