current investment. 2. Cost of sale , Profit margin For year 2018, the company had cost of sale of 396.52 million bath compare to 333.48 million baht last year with the increasing of 63.04 million bath or
year 2017. 2. The cost of plastic raisin (which was the major cost of the production about 80% of total cost) increased from the demand of plastic raisin in China. This led to increasing of the
project volume resulting in a price competition and the cost of raw materials used in production is higher than the year 2018. 4. Cost from the water management business for quarter 1/2019 representing
the same period of last year at 15.1%. This is due to the increasing demands in Europe and America markets following the recovery in economy in these regions. Another outstanding product is DC FAN and
which was 75.09% of income. Because in the quarter 3/2018, the income of installation and sale of water supply systems was higher than quarter 3/2019 which this income has higher cost ratio than income
recorded 2,579.1 Million Baht, increasing by 45.4% as compared to Q2 2016 of 1,773.3 Million Baht. This was mainly due to the increasing revenue from property business, specifically The Ritz-Carlton
-recurring revenue. As a result of consolidation, non-recurring revenue increased by 37.97mb or 33.8% increase year-on-year. Recurring revenue from Financial Solutions increasing by 4.35mb or 7.0% but offset
43.5% higher than 40.70% on last year. Moreover, the group had net profit attributable to equity holders of the Company equal to 21.4% of total revenue, which increased from 20.1% in 2018, mainly due to
ongoing project and expected to be completed in 2019. As a result, the construction income gained in this captioned year was higher than last year. There is no any new project awarded in 2019. . Service