The term of supply chain refers to a sequence of events covering a product’s whole life cycle from conception to consumption. (Blanchard, 2010, p.3) Products start from materials travel through the whole supply chain; finally they are available on the shelves and purchased by end users. So the efficiency of the supply chain may have direct influence on final results: gain profits or waste cost.
Due to the shortage of food resource and changing eating preference, the food supply chain in UK becomes much more complicated and crucial ever than before. Supermarkets such as Tesco, Sainsbury and Asda/Wal-Mart, held jointly over 50% share of the UK grocery sales (Simms, 2007, p.90), suffer from fierce competition in such supply chain. In order to gain competitive advantages, these retailers expand their supply chain to overseas, launch Global Data Synchronisation (GDS) system to build accurate database and produce value added commodities. However, despite these adjustments, ensuring products available to sell is the most important element in judging its supply chain. Provided a high level of inventory is stocked, the cost will increase with revenue. While if stocking a low level of