Thanks for the information technologies; the big amount of enterprises’ data can be shared. Using information to replace the stock, it decreases warehouse’s cost and risk; moreover, by means of computer, these basic data could be searched and analyzed so as to improve the speed and accuracy of decisions. It embodies the idea that can predict and plan in advance, control during the process, and calculate & analyze afterwards. In the knowledge economy times, ERP system emphasizes its Open Resources characters mostly. Therefore, it could increase the employment effectiveness of Human Resources and Time Resources, solve the problem of information overflow, and improve the precision of the decision-making.

An ERP system basic includes:
• Supply chain management
• Customer relations management
• Supplier relate the management
• Product production cycle management
• Commercial intelligence
• Financial control
• Human resources management
• Profession solution
• Motion commerce
• And so on.  ( Scott Hamilton,2003,p97)                                                               

ERP has been created from the concept developed by Gartner Group which described manufacture business system and material requirement planning (MRP II) ( San Jin,2005 ). It will include client/sever structure, using graphic user interface and applying for opening system design. Besides the standard function set up already, it covers other characters: such as quality, process operation management, and reports adjustment, etc.. Especially, the basic technology adopted by ERP provides users independence both in software and hardware which could be upgraded more easily than ever (Stedman, C. 2005,p54 p55). The key factor of ERP is that it could tailor to all customers’ requirements and boast for its easy usage. 
There are four standard functions of ERP carried by Gartner Group: ( Khalid Sheikh, 2003,p80 )
1. The Strong Integration function which exceeds to the range of MRP II.
It contains the quality control, the laboratory management, the process management, the formulation management, the product data management, the maintenance management, the control report and the stock management.
2. Supporting Hybrid Manufacture Environment & Configuration
It includes either discrete or continuous process making environment, ability to combine service procedures according to the objected-oriented service models and to apply them intern

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