company had an strictly and effective stock management and cost control of raw material. Expense In the first quarter of 2020, the company had the selling cost of 5.12 million baht, decreased by 3.35

2017 increased 13.38 percent from year 2016, due to higher sale volume, higher raw material cost and expense from major overhaul in the beginning of year 2017. Comparing to 4th quarter, cost of goods

, the company realized the expense from raw material derogation amounting to THB 2,004 million. But, the company has also realized tax income amounting to THB 356 million which was mainly from such

sales volume of 3.55 percent and decrease in raw material cost, gas expense and repairs and maintenance expense but there were increases in salary and benefits of the employees. Cost of services was Baht

due to the effect of an annual selling price adjustment, a change in foreign currency exchange rate and an increase in the cost of goods sold resulting from a continuously high cost of raw materials

-o-Y due to the effect of the annual selling price adjustment, a change in foreign currency rates and an increase in the cost of goods sold resulting from a higher cost of raw materials Copper, Copper

resulting from a higher cost of raw materials Copper, Copper Foil, Laminate and Fiberglass. However, an increase in capacity and efficiency gained from the latest investment that supported sales volume growth

, which resulted in the gross profit margin decreasing to 30% from 35% the previous year. The higher cost of goods was directly due to the impact of an increase in global raw material prices, mainly copper

factors that continued to occur since the previous year, such as the production of new high-technology products, an increase in the cost of goods sold resulting from a continuously high cost of raw

increased from excise tax and partly offset by cost reduction of raw materials and packaging. Food business Food cost of sales slightly increased from utilities cost in production and partly offset by cost