... their greatest value. 2. Our main products include:Non ferrous metal:Pure magnesium metal, such as magnesium ingots(7.5kg, 300g, ), ... alloy products(slab, sheet, plate, roil,rod, bar etc.), Silicon Metal(2202, 2502, 3103, 3303, 411, 421, 441, 553 etc ... crystal silicon, is a basic industrial raw materials, widely used in Aerospace, electronics, chemicals, metallurgy, refractory insulation and so on ...