Using the modeling tool of the Microsoft Visio and taking the enterprise stock management system as the object,the application of UML in the actual project development was introduced by using the design model such as legend,object chart,sequential drawing and system configuration images.

This paper attempts to address the problem of partner inventory management from two aspects: partner inventory status maintenance based on external events and feedback, and partner inventory control through repleni.

Study on the project of constructing environmentally friendly refinery;

Design and implementation of refinery-wide production planning system;

Research on Activity Model for System of Production and Operation in Refinery;

The article introduces 4 functional aspects of refining enterprises' business and relevant 4 information platforms.

The article gives an account of the overall implementation of clean production in Yangzi Petrochemical Corporation Refinery and the due improvement of all targets in environmental protection thereafter,thus illustrating the importance of clean production for refining enterprises.

A and B are two new refining enterprises established based on the principle of using advanced technology,making rational investment,conserving on resources and energy and achieving best economical efficiency.