Moderated Effect Analysis of Logistics Information System on Logistics Integration and Logistics Performance of Korean Manufacturing Firms in China- Approach to San Dong Province -Hee-Sung BaeSeong-Mun SonJeong-Pyo LeeThe logistics integration for supply chain management is activity between organization for removing the overlapping and inefficience not only intra-firm but also inter-firms through interaction and collaboration. The purpose of this research is to analyze the moderated effect of logistics information system on logistics integration and logistics performance of korean manufacturing firms at san dong province in china. The research methodology of this research analyse is multi-regression analysis and moderated regression modeling analysis on the relation of variables. The results of research are as follows.First, internal integration and customer and supplier integration as external integration have a direct influence on logistics performance. Second, it is an influence to moderated effect of logistics information system both of logistics integration and logistics cost.As for the firm, they not only the insides but the relation among firms enhance an integrated level, and therefore, cost reduction and the improvement in service are possible through those. The relation between logistics integration and logistical cost can be strengthened with raising practical use of logistics information system.