result Million Baht 2018 2017 Sales 2,020.38 1,915.39 Cost of Sales 1,935.80 1,723.37 Gross Margin 84.58 192.02 Gain (loss) on exchange rates 42.47 25.24 Other Incomes 9.30 15.30 Total Revenues 2,072.15

margin was 5 .5 5 % decreased from 14.79 % of the same period of previous year. Due to the raw material in stock was higher than the average market price. 3. Selling expenses was Baht 14.79 million which

decrease was derived from the engineering service. • Overall gross profit margin increased from 11.9% to 13.8% at the same amount Baht 53 million. 2020 2019 Revenue 382 443 (61) -14% Cost 329 390 Gross

operating result for the 1st quarter 2020, revenue from sales decrease from the same period of last year at 5.5%. Gross profit margin is equal to 49.6%. Net profit for the 3-month period ended 31 March 2020

income tax expenses 15.09 73.01 (57.92) (79.33%) Income tax expenses (revenues) (0.04) 0.28 (0.32) (114.29%) Profit for the year 15.13 72.74 (57.61) (79.20%) Gross profit margin 49.67% 63.46% (13.79%) Net

42.07% respectively. It could be seen that gross margin of the Group of Companies does not change significantly as it has policy to maintain and to sustain appropriate range of gross margin for real

62.26 million baht and 84.92 million baht, respectively. It decreased 22.65 million baht or 26.68 % when compared with Q1 / 2020, the reason that the net profit margin of the company decreases is due to

and Q3/2020 was 95.94 million baht and 76.69 million baht, respectively. It increase 19.25 million baht or 25.10 % when compared with Q3/2020. The reason for the increase net profit margin is that the

decreased 16.37 million baht or 26.29 % when compared with Q1 / 2022, The reason for the net profit margin of the company decreased due to the company's sales have decreased. because the impact of weather

/2022 and Q3/2021 was 97.11 million baht and 95.94 million baht, respectively. It increase 1.17 million baht or 1.22 % when compared with Q3/2021. The reason for the increase net profit margin is that the