Commodity2005200620072008200920102011
Granulated slag (slag sand) from the mfr. of iron/steel$14,972,720$16,775,488$26,567,434$35,281,319$16,909,660$30,857,018$24,125,685
Total$14,972,720$16,775,488$26,567,434$35,281,319$16,909,660$30,857,018$24,125,685