OBA's Season GreetingKindly be informed that our office will be closed during these festive seasons from December 28, 2018 to January 1, 2019. We will resume our business on January 2, 2019. During the holiday period, you can fax to us at 02 251 8998 or e-mail to oba@bangkokarchitect.com. We will get back to you soonest after our office is open.

Best Wishes,


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On April 27th, 2017 at 10:00 at The Dusit Maha Prasart throne hall, Grand palace.