On this page you can find information about the zoos in Thailand who had giant pandas in their collections.
2 Thai zoos had the honour to have giant pandas as their residents:

Safariworld, Bangkok, Thailand
Chuan Chuan (1992-1993)
Yia Qing (1992-1993)

Chiang Mai Zoo, Chiang Mai, Thailand
Chuang Chuang (2003-present)
Lin Hui (2003-present)
Lin Ping (2009-present)