Abstract
This research the objective In order to reduce the cost of raw materials. By studying the raw data from the past with the present, from raw materials to make pizza. The researchers analyzed the causes of the problems with the analysis. Chart cause and effect (Ishikawa Model), to analyze the causes and find ways to find orders for raw materials contractors. The study found that Traditionally, the material 25 of the previous update, with the main priority of ABD Analysis to prioritize 10 species by grouping supplies ABC which the principle of Pareto that focus on a number, but there is. The value or importance, which is usually 20% of the total number of Part often worth approximately 80% of the total value. For the purchase of new right. From there the material content averaged 20824920 grams per year dropped to 19,766 grams per year, which costs the tray packaging is reduced to an average of 434,852 baht per month, accounting for 30.61 percent or lower. the cost per year is 5,218,224 baht per year
keywords: material sorting, classifying, reorder point system that's right.
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