for Q2/2017 ended June 30, 2017 of the Company and its subsidiaries, as shown below : (Unit : Million Baht) Q2/2017 Q2/2016 Change Revenue 222 210 12 Gross profit margin 80 83 (3) Expenses 20 20
Baht) Q3/2017 Q3/2016 Change Revenue 186 227 (41) Gross profit margin 62 89 (27) Selling Expenses 17 28 (11) Administrative Expenses 18 19 (1) Finance cost 5 5 - Net profit 19 28 (9) In overall, the
2017 ended December 31, 2017 of the Company and its subsidiaries, as shown below : (Unit : Million Baht) 2017 2016 Change Revenue 837 849 -1.4% Gross profit margin 293 342 -16.7% Selling Expenses 80 96
shown below: (Unit : Million Baht) 2017 2016 Change Revenue 837 849 -1.4% Gross profit margin 293 342 -14.3% Selling Expenses 80 96 -16.7% Doubtful debts from the voiding of contract 320 - 100.0% Finance
, increasing from the same period of the previous year by Baht 53.75 million mainly due to increased construction revenue together with improved gross profit margin and increased share of profit from associated
sales revenue (%) 36.21 39.11 Gross Profit Margin (%) 63.79 60.89 Table 6: Cost of Goods Sold by Type of Expenses for the nine Months Period Ended 30 September Cost of sales Consolidated financial
4.68 9.14 7.57 2.22 32.08 Total cost of sales 148.02 100.00 120.70 100.00 (27.31) (18.45) Proportion of cost of sales to sales revenue (%) 28.62 33.60 Gross Profit Margin (%) 71.38 66.40 Table 6 : Cost
reasons: 1. In 2018, Management focused on renewing the contracts with appropriate profit margin. 2. The revenue of engineering service increased. 3. Solar energy began to recognize revenue for the whole
margins for each business segment are shown below: Net Profit Margin (to Total Revenue) 2019 2018 Manufacturing and Selling of Special Cutting Tools Segment 5.29% 27.37% Importing and Selling of Cutting
revenue respectively (compared to 7.69% and 5.52% in the previous year). Net profit margins for each business segment are shown below: Net Profit Margin (to Total Revenue) 2020 2019 Manufacturing and