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Apr 11, 2012 at 05:58 AM

collaborative purchasing


Dear experts,

We have 5 different plants in our case. Some of the materials in those plants are purchased collectively. We have planning problem. Actually the purchasing batch size is calculated according to the cumulative requirements. For example if the batch size is 15000 for all plants but the requirements is 10000 for all plants. If we make cumulative purchasing 60000 purc req must be planned but according to the mrp 15000 x 5000 = 75000 purc req is created. We do not want to create a new plant for purchasing or transfer requirements to a single plant. What do you offer for this condition.