Pair of pig iron, scrap steel, iron alloy (ferrosilicon, ferromanganese, ferrochrome, ferronickel, ferromolybdenum, spheroidizing agent), non-ferrous metals (copper, aluminum, nickel, molybdenum, etc.), inoculant, and furnace iron; Raw materials such as sand, clay, coking coal, resin, quartz sand, paint, film, etc. are strictly checked for quality; we control the product process to provide customers with good products; this is a domestic and foreign buyer who likes to cooperate with us the main reason.