Exports In 2022, New Zealand exported $36.2M in Non-Iron and Steel Slag, Ash and Residues, making it the 45th largest exporter of Non-Iron and Steel Slag, Ash and Residues in the world. At the same year, Non-Iron and Steel Slag, Ash and Residues was the 121st most exported product in New Zealand. The main destination of Non-Iron and Steel Slag, Ash and Residues exports from New Zealand are: United States ($21.5M), Japan ($5.82M), South Korea ($1.91M), Hong Kong ($1.79M), and India ($1.38M).