Start: 2011 - Finish: 2011
Owner : PTT Maintenance and Engineering Co., Ltd.
START: 2014 - FINISH: 2014
Owner : PTT Maintenance and Engineering Co., Ltd.
START: 2013 - FINISH: 2014
Owner : PTT Maintenance and Engineering Co., Ltd.
START: 2014 - FINISH: 2015
Owner : PTT Maintenance and Engineering Co., Ltd.