Improving the Purchasing Process Using Lean Concept: The Case of Offshore Aviation Services Company

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Thidarat Pattarapantakul
Sarunyoo Kanchanasuwan


This research is intended to improve purchasing process of offshore aviation services company using a process according to lean concepts which are the efficient concepts for work process improvement that identify and eliminate waste from the process. By focusing on reducing the time and eliminating waste for the purchasing process. The study takes the first phase with studying workflow of each process in order to provide existing situation model, examine workflow in each stage of activity to identify for wastefulness in each process, find resolution for solving problem to increase efficiency by using ECRS then provide future simulation model in order to compare the result between the process before and after improvement using ARENA simulation software. After the improvement, the result of this research found that the lead time is reduced by 46.70% and the number of purchasing process is decreased by 9.76%.


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How to Cite
Pattarapantakul, T., & Kanchanasuwan, S. (2020). Improving the Purchasing Process Using Lean Concept: The Case of Offshore Aviation Services Company. WMS Journal of Management, 9(3), 90-101. Retrieved from
Research Articles-Academic Articles
Author Biographies

Thidarat Pattarapantakul

Faculty of Management Sciences, Prince of Songkla University, Hat Yai, Songkhla 90112

Sarunyoo Kanchanasuwan

Faculty of Management Sciences, Prince of Songkla University, Hat Yai, Songkhla 90112


Akkharaprathomphong, P. (2009). Reducing waste with ECRS principles. Retrieved from

Atthirawong, W. (2013). Business process re-engineering using simulation. Business Review, 5, 7-11.

Chen, C. J., & Cox, A. R. (2012). Value stream management for lean office: a case study. American Journal of Industrial and Business Management, 2, 17-29.

Chokpaiboon, K. (2012). The application of lean manufacturing: a case study of printing process. (Master’s Thesis). Srinakharinwirot University, Thailand.

Flight Global. (2016). Continued growth in Asia-Pacific, forecast and market issues. Retrieved from

Kasochan, S., Nongpa, A., & Udomsub, R. (2017). Imrpovement the purchasing process to increase efficiency: a case study of automotive parts. Local & Global Sustainability: meeting the Challenges & Sharing the Solutions, (pp. 1221-1230), Thailand.

Kongsuk, C. (2016). The development of procurement process to bargain lean concept and environmentally friendly. (Master’s Thesis). Burapha University, Thailand.

Macharia, A. (2014). Lean procurement and supply chain performance at Safaricom Limited. (Master's theses). University of Nairobi.

Musikapong, R. (2015). Application of value stream mapping to improve the production process in plastic film industry: a case study of TPK company. (Master’s thesis, Burapha University, Thailand).

PTT Petroleum Survey and Produce Public Company. (2019). The amount of resources and reserves of petroleum in Thailand. Retrieved from issue.aspx?id=26

Ratasadtasak, T. (2016). Impact of digital signature system to issue certificate of origin: case study of office of foreign trade region 3 Choburi. (Master’s Thesis, Burapha University, Thailand).

Rattanacone, W. (2016). The important of accounting process by using the concept of lean: a case study of MMTH Engine CO.,LTD.( Master’s Thesis, Burapha University, Thailand).

Sabur, V. F., & Simatupang, T. M. (2015). Improvement of customer response time using Lean Office. International Journal of Services and Operations Management, 20(1), 59-85.

Suthartidamrong, V. (2007). Lean thinking. Bangkok: E.I. Square Publishing.

Thompson, M. (1996). Effective purchasing strategy: the untapped source of competitiveness, Supply Chain Management: An International Journal, 1(3), 6-8.