Imports In 2019, Mongolia imported $40.2k in Waste, scale, dross, slag of iron or steel industry, becoming the 0th largest importer of Waste, scale, dross, slag of iron or steel industry in the world. At the same year, Waste, scale, dross, slag of iron or steel industry was the 0th most imported product in Mongolia. Mongolia imports Waste, scale, dross, slag of iron or steel industry primarily from: N/A.