profit margin of the certain residential projects was also decreased as a higher competition. The decrease in sales and slightly increase in gross profit margin in 1 and 2 make a decrease of 2,273.79
to the Group company has reorganized the structure to be more flexible and to increase ability and efficiency in business competition. Loss on temporary investment Loss on temporary investment amounts
21.1% and export sales was 78.9% of total sales. Domestic sales decreased by 11.2%, mainly due to high competition in local market , while export sales increased by 26.0%, primary from sales growth in
of the Government. According to the increased of the market competition both of the competitor and the pricing, some projects could not continue to extend the services. 2.2 Revenue from Contact Center
engineering service. However, gross profit margin of engineering service decreased from 23. 90% to 17. 66%. The revenue of telecommunication engineering has declined due to high competition and high gross
mainly decreased from the customers of the Government. According to the increased of the market competition both of the competitor and the pricing, some projects could not continue to extend the services
plans to suit customer’s usage pattern. Prepaid competition, however, remained challenging with offering of large data allowance on low-tier package during the quarter to date. AIS selectively offered
million to be Baht 70.8 million or equivalent to 6.17% resulting from the drop in gross profit margin from 8.22% in Q1/2018 to be 8.15%. This was derived from the severe price competition in some products
%. This was derived from the severe price competition in some products of Specialty and Engineering Polymer business unit. Total selling and administrative expenses decreased by Baht 7.6 million from Baht
of the market competition both of the competitor and the pricing, some project could not continue to extend the services. However, the Private sector’s customer has continued growth, both from new