As is well known that, India is rich in mineral resources, mineral has certain advantages: iron ore, bauxite, chrome, dolomite, coal, limestone and manganese; other minerals such as: petroleum, coking coal, copper, lead, zinc, nickel, tungsten, molybdenum, gold, phosphorus, potassium, sulfur, asbestos and diamond relative lack of.India government pays more attention to the crushing technology, the

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