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described in the Management Discussion and Analysis (MD&A) as attached herewith. Please be informed accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr

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' Equity was Bt11,274 million, an increase of Bt1,247 million, mainly due to profit from the period and dividend payment. Analysis of performance Gross Profit Margin was affected by two major factors: 1) a

Management Discussion and Analysis for the Year 2017 Business Overview Business overview of One to One Contacts Public Company Limited and its subsidiaries (“the Group”) for the year 2017 compared to