Procurement services for others [purchasing goods and services for other businesses]; retail services or whole sale services for iron, steel and non-ferrous metals and their alloys; retail services or whole sale services for non-ferrous metals in foil or non-ferrous metal alloy powder; retail services or whole sale services for copper and its alloys; retail services or whole sale services for unprocessed natural resins; retail services or whole sale services for machines for manufacturing sem...