Installation of Foam system for Remote Impoundment, and new project such as Heating, Ventilation and Air Conditioning of In-Plant Power Generation. 5. Testing and Inspection service slightly decreased from the

expense in the amount of 10.59 million baht. However, an increasing in Property, Plant and Equipment in this period was in the amount of 3.73 million baht consisted of CNC Milling machine, Roller Heating

spread (IK/DB) decreased by 0.51 USD/BBL, due to the pressure from a decline in kerosene demand for heating oil, after the winter passed, and from supply increase from South Korean exports, who increases

demand for kerosene used in heating, as well as, increase in demand for air travel during the winter and Chinese New Year.  Gas oil/Dubai Q1/2018 crack spread averaged at 14.76 $/BBL, an increase of 2.93

during meal preparation. Jet(Kerosene)/Dubai crack spread (IK/DB) in Q4/2017 was on average 13.27 $/BBL an increase of 0.14 $/BBL when compared to the previous quarter, as a result of demand for heating