Sri Lanka Imports from Hong Kong of Sulfates, Alums, Peroxosulfates (Persulfates) was US$7.69 Thousand during 2023, according to the United Nations COMTRADE database on international trade. Sri Lanka Imports from Hong Kong of Sulfates, Alums, Peroxosulfates (Persulfates) - data, historical chart and statistics - was last updated on May of 2024.