Direct reduced iron WikipediaDirect-reduced iron (DRI), also called sponge iron, is produced from the direct reduction of iron ore (in the form of lumps, pellets, or fines) to iron by a reducin

Sand casting WikipediaSand casting, also known as sand molded casting, is a metal casting process characterized by using sand as the mold material. The term "sand casting…Beach Metal Detectin

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High Chromium Alloyed Cast Grinding Ball For Iron OreIron ore ball mill grinding ball mill in alloyed casting.Especially as the third generation of antiwear alloy high chromium white cast iron