Start: 2008 - Finish: 2008
Owner : CTCI (Thailand) Co., Ltd.
START: 2015 - FINISH: 2015
Owner : Bangkok Industrial Gas Co., Ltd.
START: 2015 - FINISH: 2015
Owner : SAK Chaisidhi Company Limited.
START: 2013 - FINISH: 2013
Owner : PTT Maintenance and Engineering Co., Ltd.