Commodity2005200620072008200920102011
Granulated slag (slag sand) from the mfr. of iron/steel$32,070,777$43,509,560$49,258,665$52,101,804$48,587,318$46,789,728$29,119,114
Total$32,070,777$43,509,560$49,258,665$52,101,804$48,587,318$46,789,728$29,119,114