Application of value stream mapping for improving the efficiency of the supply chain: A case study of Mueang Kao Post Office, Thailand

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Published: May 23, 2022
DOI: https://doi.org/10.14456/apst.2022.59
Keywords:
Value stream mapping Supply chain management ECRS technique Why-Why analysis Sustainability

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Thammasak Kuaites
Logistic and Supply Chain Management, Department of Service Industry, Faculty of Business Administration, Ramkhamhaeng University, Bangkok, Thailand

Abstract

The development of Thailand’s basic land logistics system is needed to increase the capacity of deliveries and support the growth of competition in the digital world. There are more domestic and international business owners entering the delivery market resulting in high competition. Therefore, the delivery business in the country must be adapted by focusing on customers’ needs regarding products and services. This study applied the Value Stream Mapping (VSM) method to analyze the supply chain of Muang Kao Post Office in Sukhothai province from upstream, midstream, to downstream. Moreover, the Why-Why Analysis method was used to find the causes of problems. The eliminate, combine, rearrange, and simplify (ECRS) technique was used to discover how to improve efficiency. According to the surveys, collected data, observations, and interviews as well as the analysis of data before and after the improvement, it was found that there were 66 activities in the supply chain using a total of 673.85 min. For the improvement, three necessary non-value-added activities along with eleven other non-value-added activities were removed. Thus, there were fifty-two activities left in the supply chain, which used 657.09 min. The total time difference in the supply chain was 16.76 min. Finally, the researcher proposed ways to improve sustainable efficiency through the use of the VSM concept and by focusing on the environment, sustainability, and a circular economy. 

Article Details

How to Cite
Kuaites, T. (2022). Application of value stream mapping for improving the efficiency of the supply chain: A case study of Mueang Kao Post Office, Thailand. Asia-Pacific Journal of Science and Technology, 27(04), APST–27. https://doi.org/10.14456/apst.2022.59
Issue
Vol. 27 No. 04 (2022): JUL-AUG
Section
Research Articles
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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