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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tube mills | $8,501,571 | $2,879,587 | $10,887,598 | $6,038,252 | $2,770,601 | $3,572,586 | $10,286,104 |
| Metal-rolling mills, hot/combination hot & cold | $26,133,041 | $34,022,156 | $183,420,208 | $21,392,899 | $116,878,092 | $23,345,926 | $184,771,467 |
| Metal-rolling mills, cold | $4,072,984 | $7,997,869 | $4,090,919 | $16,439,746 | $36,720,615 | $36,739,464 | $21,180,135 |
| Rolls for rolling mills | $24,162,076 | $25,276,301 | $46,408,870 | $66,350,319 | $81,193,651 | $83,376,417 | $85,502,616 |
| Parts of metal-rolling mills, other than rolls | $22,457,580 | $71,858,797 | $57,178,114 | $45,744,169 | $224,361,807 | $27,957,156 | $43,563,062 |
| Total | $85,327,252 | $142,034,710 | $301,985,709 | $155,965,385 | $461,924,766 | $174,991,549 | $345,303,384 |
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