June 2018 30 June 2017 Sale and installation of the pipeline business group 646.76 756.45 Water management business group (only amount to be recognized in year 2018) 124.68 49.18 Total 771.44 805.63

used in the operation for export sales, has changed by decreased only 0.3% from sales per USD of the same period in the prior year. The main reason for sales in Thai Baht dropped was from the exchange

new head office. All of these are non-cash expenses. If the Company excluding one- time expenses as above, the expenses of revenue from sale and service was 14.66%, only 0.78% higher than the same

in Malaysia. Cost of sales and services increased by only 1.2 percent while sales have increased by over 3 percent. As a result, gross profit margin as percentage of sales continuously improved, from

from construction income is 23.88 million baht, while in the year 2018, revenue was 59.13 million baht, a decrease of 35.25 million baht or 59.61% decrease. There are only 3 projects under construction

March 31, 2019 Sales and installation of the pipeline business group 787.80 998.57 Water management business group (Only amount to be recognized in year 2020) - Sale and service of water supply 122.99

European Union and Japan while the Chinese economy may witness only low growth. Governments of several countries hastened the implementation of large-scale stimulus packages in order to ameliorate the

financial statements only.) Summary overview In the 1st quarter of 2020, the Company organized “ Thailand Mobile EXPO 2020” 35th , on February, 7- 10 2020. Although the event is in start phase of the epidemic

in the same quarter of 2019 was Baht 150.24 million showing a reduction of Baht 121.27 million or 80.72 % decrease. In this current year, there were only 2 ongoing projects and one of them was

and installation of the pipeline business group 835.10 611.64 Water management business group - Sale and service of water supply (Only amount to be recognized in one year) 214.77 175.98 - Installation