Commodity2005200620072008200920102011
Granulated slag (slag sand) from the mfr. of iron/steel$51,883,961$56,722,107$48,413,404$40,586,498$111,805,325$139,037,555$95,972,026
Total$51,883,961$56,722,107$48,413,404$40,586,498$111,805,325$139,037,555$95,972,026