GSiA Rustica Audit Co., Ltd.
Bangna Complex Office unit, 2/89
17th Floor, Bangna-Trad 25, Bangna-Nuea
Bangna, Bangkok, Thailand 10260 (Head Office)
(EN) +66 (0) 81-928-5427
(TH) +66 (0) 2-136 -5600
(Head) +66 (0) 2-136-5600
email: manuel@gsia-audit.com