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An elementary analysis of utilizing the economic grade of the balance of revenue and expenditure in gold mine

Chen Jianrui (Tonguan gold mine, Shanxi province).  
This paper suggests that mining enterprises have to utilize the economic grade which relies on the balance of revenue and expenditure from the view point of maximum utilization of mineral resources. The contradictions resulted from using"economic grade" between maximum utilization of mineral resources and the benifit of enterprises at present operation are also analysed. The way of production and evaluation are given either for the maximum utilization of mineral resources or possible higher economic benefit. Finally, this paper emphasizes that various examination regulations should be established and improved in the management system by contract
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