The features of globalizing manufacture are national boundary has been broken and the production of enterprise boundary was also breakthrough. An information sharing system based on SQL Server and JAVA is proposed. Firstly, tasks and goals of the project are determined. The main contents of the cost model based on Microsoft Excel proposed by the American factory are analyzed. A new model is built by incorporating the cost of labor and transportation cost into the original cost model. Build of PC database and design of software are discussed in the paper.