Thai Otsuka Pharmaceutical Co., Ltd.
15th Floor, Unit no. 1501-1502, United Center Building,
323 Silom Road, Silom, Bangrak, Bangkok 10500 Thailand
Tel: +66 (0) 2401 9560, Ext: 1115-1119
Fax: +66 (0) 2401 9561
Email: nutraceutical@thai-otsuka.co.th