مدیر سایت2026-02-04T15:47:25+03:30Persian Ferro Silicon (VIRA Trading) offers FeSi 75 with 73.7% Si, 25.06% Fe, and <0.001% impurities. Manufactured to ASTM/ISO standards, it delivers premium metallurgical performance, global export compliance, and consistent quality. Ideal for steelmaking, foundry work, and magnesium productionSales - Vira Trading