service valued of , THB 186.06 million, NDT services (Non-Destructive Testing) of 153.09 million and The Water Supply of THB 8.34 million. 2. Cost of Sales and Services In The year 2018, the costs are THB

services of oil & gas service valued of THB 74.71 million, NDT services (Non-Destructive Testing) THB of 83.3 million, Manpower supply services of THB 15.58 million and The Water Supply of THB 4.1 million. 2

rational investment decisions but their decisions are usually influenced by several factors and restrictions; emotion, beliefs and biases, for example. Those factors and restrictions cause investors to

million baht or 5.17%. The decrease is due to the market of Non-Destructive testing, Inspection and Certification testing and Mechanical testing services are not recover - Cost of service and administrative

million baht or 30.55%. The increase from the revenue from services by the Company, as a result of continue increasing demand of Non-Destructive testing service from construction and fabrication sector. And

same period last year by 18.76 million Baht or 20.78%. The increase from the revenue from services by the Company and subsidiaries, as a result of increasing demand of Non-Destructive testing service

from the previous year by 9.60 million Baht or 10.31%. The decrease is due to continuing slowdown of Non- Destructive testing services market since last year and decreased from the revenue from the

from the same period last year by 45.66 million baht or 54.69%. The increase from the revenue from services by the Company, as a result of continue increasing demand of Non-Destructive testing service

ของธุรกิจการ ให้บริการทางธุรกิจน ้ ามนัและก๊าซ 186.06 ลา้นบาท งานบริการNDT (Non-Destructive Testing) 153.09 ลา้นบาท และงานผลิตน ้าประปา 8.34 ลา้นบาท 2. ตน้ทุนขายและบริการ - ส าหรับปี 2561 มีตน้ทุนขายและ

รำยได้ส่วนใหญ่เกิดจำก กำรด ำเนินงำนของธุรกิจกำรให้บริกำรทำงธุรกิจน้ ำมันและก๊ำซ 74.71 ล้ำนบำท งำนบริกำร NDT (Non-Destructive Testing) 83.3 ล้ำนบำท งำนบริกำรจัดหำคนงำน 15.58 ล้ำนบำท และงำนผลิตน้ ำประปำ