Abstract
The paper analyzes the application of traditional Boston matrix method and three dimensional analysis chart method on product portfolio of metallurgical enterprise, and raises a four dimensional analysis method by inheriting their advantages and improve disadvantages. It is more effectively and practically to establish optimum product portfolio of domestic metallurgical enterprise by the four dimensional analysis method and the four elements are market share, sales growth rate, profitability and sales efficiency. When metallurgical enterprises analyze the optimum product portfolio using four dimensional analysis method, they should take sales efficiency fully into account, adjust product portfolio timely and at last realize the optimum product portfolio.
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