Congress Office
ProCongress ( Thailand ) Co., Ltd.
4/383 Moo 6, Soi Nakniwas 37, Nakniwas Road , Ladpraw, Bangkok 10230
Tel: +66 2 956 1580 Fax: +66 2 932 4454 Mobile: +66 8 7600 0042
Email: alcharat@procongress.net