The objective of this research is to study the operating procedures of the purchasing department and analyze the ways to reduce the steps of the purchasing process a case study of an electronic parts company. The researcher applied Value Stream Mapping technique to analyze current operating procedures in order to find procedures that need to be improved. The researcher has applied the 5W1H concept to analyze the causes of complaint problems. The ABC classification technique was applied to classify the group of products. Then, ECRS principles was used to reduce unnecessary processes of purchasing process.

The result of this research revealed that the purchasing process can reduce from 11 steps to 8 steps and the overall operational time of the procedure reduce from 114 hours to 30.5 hours or 65.23 percent. It can be concluded that after the improvement, the purchasing process can be improved to meet the user needed and greatly reduce the complaints..