1)FeSi 65% Spec:Si:65%min, P:0.04%max, Al:3%max, C:0.5%MAX, S:0.05%max,SIZE:10-10MM,10-50MM,90%MIN. 2)FeSi70% Spec:Si:70%min,Al:2%max,P:0.04%max,C:0.2%max, S:0.02%max,size:10-100mm. 3)FeSi 72% Si:72%min,Al:2%max,P:0.035%max,C:0.2%max, S:0.02%max,size:10-100mm. 4)FeSi 75% Si:75%min,Al:1.5%max,P:0.035%max,C:0.15%max, S:0.02%max,size:10-50mm. capacity Monthly: 500mt each item.