Mysteel铁合金产量1月环比同比2月预测样本占比硅锰（万吨）93.234.17%4.88%↑99%高碳锰铁（万吨）11.784.43%6.90%↑85%富锰渣（万吨）9.60-11.19%-↑85%电解锰（万吨）9.88-2.26%-5.96%↓93%硅铁（万吨）47.08-7.07%-8.35%-95%工业硅（万