Update:2008-08-19 04:28:41 Source: Author:
15<=Sb<=20% Pb<0.23 As<0.5 USD 2400-2500/MMT
20<=Sb<=30% Pb<0.23 As<0.5 USD 2500-2650/MMT
30<=Sb<=40% Pb<0.23 As<0.5 USD 2650-2750/MMT