piles, precast concrete, glass-fiber reinforced concrete and special cement which were Baht 148.79 million. In addition, revenue from its subsidiaries was increased by Baht 89.61 million. (2) Cost of

- stressed concrete piles, precast concrete, glass- fiber reinforced concrete and special cement which were Baht 169. 47 million. However, the delivery of post- tensioned was decreased by Baht 33. 48 million

. (Acceptance and Continuance of Client Relationships and Specific Engagements) 5. (Resources) 6. (Engagement Performance) 7. (Information and Communication) 8. (Monitoring and Remediation Process)

, precast concrete, special cement and architecture was increased. (2) Cost of sales The Company and its subsidiaries’ total cost of sales in the second quarter of 2018 was Baht 441.81 million, increased by

of pre-stressed concrete piles and post- tensioned. However, the delivery of glass-fiber reinforced concrete, precast concrete, special cement and architecture was increased. (2) Other incomes The

, precast concrete wall special cement and architecture by Baht 214.21 million. In addition, the delivery volume of fiberglass reinforced concrete and post-tension was decreased by Baht 47.98 million. (2

Engagements) (1) (1) 4 (Human Resources) ( ) ( ) 5 (Engagement Performance) (2) ( ) 6 (Monitoring) (1) (2) 100 .20 65 2 KPMG KPMG AQIs 2 KPMG KPMG 2 KPMG KPMG KPMG KPMG KPMG KPMG KPMG KPMG 108 31 2564 5.60

) 4 (Human Resources) ( ) ( ) 5 (Engagement Performance) (2) ( ) 6 (Monitoring) (1) (2) 100 .20 85 2 EY data analytic tools EY EY EY EY EY EY EY EY EY 211 30 2564 6.41 35 EY 3 3 1 (Leadership

(Engagement Performance) (2) ( ) 6 (Monitoring) (1) (2) 100 .20 50 - 2 - 10 technical committee 5 31 2565 17,698 0.09 3 3 1 (Leadership Responsibilities for Quality within the Firm) 3 2 (Relevant Ethical

13.58% from the same period of previous year. This was due to decrease in the delivery of pre-stressed concrete piles, post-tensioned and special cement which was Baht 101.24 million. However, the