Study On The Model Of Supply Chain Centralized Purchasing Based On The B2B E-commerce Platform

With the continuous development of information technology and the market economy,companies which are the members of the supply chain network system have begun to dabblein the field of e-commerce. B2B e-commerce model as the greatest potential influenceoperation model has become the first choice for major companies involved in the procurement.Many large group of companies in the supply chain system more chose the centralizedpurchasing mode in accordance with their features. But centralized procurement developedfrom the traditional procurement model exposed many problems in the practical application ofprocess.Paper respectively analyzed current situation of the development for B2B e-commerceplatforms and supply chain centralized purchasing mode, pointed out problems existing in thecentralized purchasing mode, put forward the introduction of B2B platform, improvedintegration with the traditional model. In this paper, study on the supply chain centralizedprocurement model based on B2B business platform, mainly based on coordination theory,logistics integration field theory, supply chain model and so on. From the perspective oftheory and practice, study on model construction and coordinated measures of supply chaincentralized purchasing mode after the B2B e-commerce platform joined. Through the organiccombination of the CPFR, SCOR, supply chain collaboration model, logistics integration fieldmodel and the B2B e-commerce platform, a new implementation model of supply chaincentralized purchasing mode was hierarchically built based on the B2B platform. With theanalysis of the S group case, combined the actual development status and the implementationmodel proposed by the paper, played a guiding role of centralized purchasing strategyrealizing of S group.