Baht (6.83) million or (28.1%) as the following reasons:  Total revenue increased Baht 36.70 million or 9.0% from Baht 406.54 million in Q1/2018 to Baht 443.24 million in Q1/2019. The main increase was

Baht (16.28) million or (174.6%) as the following reasons: • Total revenue decreased Baht (59.64) million or (13.5%) from Baht 443.08 million in Q2/2018 to Baht 383.44 million in Q2/2019. The main

increased 121.20 million baht or 11% from 1,111.90 million baht in the nine months of year 2017 to 1,233.10 million baht in the nine months of year 2018. The main increase was derived from the engineering