Commodity2005200620072008200920102011
Granulated slag (slag sand) from the mfr. of iron/steel$12,149,823$16,055,015$19,132,864$25,188,914$20,819,887$16,777,540$11,693,453
Total$12,149,823$16,055,015$19,132,864$25,188,914$20,819,887$16,777,540$11,693,453