Commodity200520072008200920102011
Granulated slag (slag sand) from the mfr. of iron/steel$802,136$1,166,070$5,730,683$4,476,608$4,388,627$4,883,654
Total$802,136$1,166,070$5,730,683$4,476,608$4,388,627$4,883,654