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| Sub-Chapter | 2006 | 2007 | 2009 |
| Tungsten (wolfram) and articles thereof, including waste and scrap. | | $43,518 | |
| Magnesium and articles thereof, including waste and scrap. | $10 | $28,091 | $6,955 |
| Cadmium and articles thereof, including waste and scrap. | | | $3,092 |
| Titanium and articles thereof, including waste and scrap. | $24,057 | | |
| Cermets and articles thereof, including waste and scrap. | $3,502 | | |
| Total | $27,569 | $71,609 | $10,047 |
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