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First, letâs define each of these terms: 1  Push System: is a system in which we produce goods based on our best projections of what the market wants. 2  Pull System: is a system in which the production of goods is initiated by the person or organization who consumes that good.
1 Pull systems use demand data to drive both replenishment and production. Only immediate customer requirements are drawn from the protective inventories upstream.  This approach is driven by actual consumption at the store (store/SKU/daily demand with POS) as well as with forecasts.