vehicles to be able to use high speed diesel fuel, B20. Increasing demand for raw materials for biodiesel production Which may affect the sales volume of the Company's products That will increase according

inventories increased by Baht 11.26 million. These were primarily due to prepaid expenses and raw materials for engineering service and trading business. The group’s liabilities increased by Baht 36.58 million

project volume resulting in a price competition and the cost of raw materials used in production is higher than the year 2018. 4. Cost from the water management business for quarter 1/2019 representing

food business has managed to control the new production process at every step of the way to reduce the cost of raw materials, packaging as well as the minimum loss of production which is in accordance

years, the price of crude palm oil, which is the main raw material, accounted for 90% of raw materials for the production of the Company's products, has been continuously fluctuated and decreased. It was

installed in Q2/2018 – Q1/2019. However, the main variable costs including raw materials and consumables used decreased from the previous year as the production slowed down. The only selling and

the cost of raw materials used in production is lower than the year 2018. 4. Cost from the water management business for quarter 2/2019 was 70.48% of income. Cost per income rate decreased compared to

of materials and labor costs in effectively, which results in an increase in gross profit compared to the same period last year and onwards. Cost of sales food and beverage Cost was 93.5 MB, an

materials used up from Q1/2017 and decreased from Q1/2016. As a result, gross margins narrowed by 3.5% in Q1/2018 compared to Q1/2017 and up 5.9% compared to Q1/2016. The average capacity utilization rate for

procedures and techniques, Production chart, Tool Standard, Standards of raw materials, Experimental analysis and control, Procedures and methods, Factory layout design, Equipment design, The contractual terms