Once here, just get to Floor 15, no need to exchange ID card.
About 5-10 minutes walk from BTS Asok and MRT Asok
Walk into the Asok Montri road, building is on the same side as Terminal 21
Look for branch of UOB bankBangkok Bank (I was just
informed that UOB branch has closed.) in blue in front of the building, there is a door
to the side or just walk into the parking lot on the back and you'll see an entrance.
Elevator
Once you are inside the building, take the 2 Right Elevators to Floor 15th.
Then you'll see a standee of Trienpont International, you are on the right floor. Just
walk right in and say Hi!.
