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DIA International Audit Co., Ltd.

316/32 Sukhumvit 22 Road (Soi Sainumthip)
Klongtoey Bangkok 10110

P: +662-259-5300-2, +6681-382-6170

E: dia@diaaudit.com

H: Monday - Friday: 8:30 AM to 5:00 PM

DIA Audit Co., Ltd.

956-958 Between Soi Onnut 30-32
Saunlaung Bangkok 10250

P: +662-332-5126-9, +662-332-9806-7

E: dia@diaaudit.com

H: Monday - Friday: 8:30 AM to 5:00 PM

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* For customers, partners or outsiders to submit any matters request to DIA