Ferro alloy, ferro silicon, SiMN 65/17, Mn flake 99.7We are Dong Duong Mineral Import & Export Company Limited. We are glad to send you our offer:1. FeSi 72/75Spec: Si 72/75%min, Al 1.5-2%max, C 0.2%max, S 0.02%max, P 0.04%maxCompacity: 2000MT/month2. SiMn 65/17Spec: Si 17%max, Mn 65%min,C 2.5%max, P 0.02%max, S 0.04%max2. Mn Flake..