ICNEA 3221—Gold smelting

Where 3221 sits

1. C Manufacturing industry
2. 32 Non-ferrous metal smelting and rolling processing industry
3. 322 Precious metal smelting
4. 3221 Gold smelting

What 3221 includes

• Including smelting activities for the following gold：
• Mine finished gold
• Smelting gold production: gold from gold ore, by-product gold from non-ferrous materials, and recycled gold
• Gold powder (3D printing gold material)
• Refers to the production activities of refining gold from refined gold (block) ore, anode mud (anode mud recovered during smelting of other non-ferrous metals contains gold), and waste miscellaneous gold.

3221 in other systems