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| Commodity | 2005 | 2007 | 2008 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ... | $636,783 | $2,997,442 | $3,623,323 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | $4,356,153 | $5,057,522 | $4,975,114 |
| Flanges of stainless steel | $1,423,575 | $15,954,108 | $4,917,239 |
| Threaded elbows, bends & sleeves of stainless steel | $569,993 | $3,430,054 | $3,348,390 |
| Butt welding fittings of stainless steel | $134,074 | $949,544 | $695,057 |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $6,159,791 | $6,745,755 | $5,219,681 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $3,148,294 | $4,272,108 | $5,210,677 |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $730,028 | $978,132 | $1,206,384 |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $620,552 | $2,072,707 | $2,119,212 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $10,920,220 | $16,470,136 | $19,253,522 |
| Total | $28,699,463 | $58,927,508 | $50,568,599 |
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