|
| Commodity | 2006 | 2007 |
| Roller chain of iron/steel | $4,255 | $4,485 |
| Articulated link chain other than roller chain, of iron/steel | $10,108 | $30,494 |
| Parts of articulated link chain of iron/steel | $169 | $70 |
| Skid chain of iron/steel | $86 | $1,627 |
| Stud-link chain of iron/steel | $3,963 | $199 |
| Welded link chain of iron/steel | $8,158 | $720 |
| Chain, of iron/steel, n.e.s. in 73.15 | $5,305 | $3,445 |
| Parts of chains (excl. articulated link chain), of iron/steel | $1,467 | $3,072 |
| Total | $33,511 | $44,112 |
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