Hong Kong Imports of pebbles, gravel, flint, macadam of slag, tarred macadam from Poland was US$2.78 Thousand during 2018, according to the United Nations COMTRADE database on international trade. Hong Kong Imports of pebbles, gravel, flint, macadam of slag, tarred macadam from Poland - data, historical chart and statistics - was last updated on May of 2024.