month period ended 31 March 2020 and 2019 are as follows; Unit: THB million Q1-2020 Q1-2019 % Change 1. Revenue from sales and contract work 4.7 3.2 44.2% 1.1 Turnkey Total Solutions 4.7 3.2 44.2% 2
revenues from services business of Baht 634.83 million of the quarter 1/2019. The significant decreasing came from the revenues decreasing of Transmission line work. The revenues from sale business of the
period of last year, Revenue from project work and services decreased. Because such income depends on value of fire fighting contractor projects each year. Gross Profit and Gross Profit Margin For the year
expenses of project work that has closed the work as per the purchase order along with the delivered income. Cost of distribution of 6.18 Million Baht as 3.55 Million Baht decrease or 36.49 Million Baht
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