Microsoft Word - letYQ118MD&AE .doc ( Translation ) 14th May 2018 Subject: Management Discussion and Analysis (MD&A) for the 1st quarter period of year 2018 To: Managing Director of the Stock
of shareholding proportion by buying of 23% newly issued common shares of Ekachai International Co., Ltd., which is Ekachai Medical Care PCL. subsidiary. To : Directors and Manager The Stock Exchange
AC 52/07-003 ACC1/19-056 11 November 2019 Subject : The Purchase of the Ordinary Shares of Duwell Intertrade Co., Ltd. To: Director and Managing Director The Stock Exchange of Thailand Qualitech
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