. The changings are as follow: Cost of contract work amount 131 million Baht decreased by 85 million Baht (39%). Selling expenses amount 6 million Baht nearly same as Q1/2017. Administration expenses

controlling and managing the budget as well as choosing the suitable material to the products. 3. The Group’s selling and administrative expenses for the quarter ended 2018 and 2017 were Baht 27.49 million and

increasing of Revenue from sales 14% with the increasing from selling price and sale volume. In the first quarter of year 2018 gross profit rate 15 %, increased 7% compared with the last year. The first

to the decreasing in the selling weight and the overall selling price as well. Eventually, there were the impacts to the lower gross profit in the current quarter as well. For nine months ended 31st

production volume of precast concrete resulting to decrease in cost of production. (4) Selling expenses The Company and its subsidiaries had selling expenses at the amount of Baht 10.09 million, decreased from

% with the increasing from domestic selling price and expansion oversea market. There are gross margin rate or the year 2019 is 19% and 15% in the year 2018. As the result of the company’s gross margin

increased in quantities sold. The Company’s products were sold 2019 more than those in 2018 by 44.75%. Due to decrease in the average selling price per unit of product by 26.31 % as followed. ▪ Biodiesel’s

expenses to revenues from main business 2019 2018 Increase (decrease) Million Baht % Million Baht % Million Baht % Selling expenses 104 2% 108 1% (4) (4%) Administrative expenses 914 14% 853 11% 61 7

from government are delay and slowdown. Cost of goods sold decreased 1.03% in portion of decreasing revenue. Cost of rental equipment increasing 1.58% nearly from the last year. Selling and Admin

%) 3.Others Income 12.40 20.64 29.91 4.Income from sales unused land - - 132.59 5.Selling &Admin Expenses , Interest Exp. 250.54 239.98 205.96 6.Corporate Tax 34.96 43.77 59.92 7.Net Profit Before