Commodity200520062007200820092010
Granulated slag (slag sand) from the mfr. of iron/steel$3,157,994$10,663,238$13,038,940$8,510,629$2,573,896$3,007,279
Total$3,157,994$10,663,238$13,038,940$8,510,629$2,573,896$3,007,279