U.S. Headquarter
400 Oyster Point Blvd.,
Ste. 226
South San Francisco,
CA 94080, USA

Main: +1-415-566-6228
Fax: +1-415-566-4226

Hong Kong (China) Office
Level 25
Bank of China Tower,
1 Garden Road,
Central, Hong Kong

Main: +852-2251-8826
Fax: +852-2251-8827

Thailand Office
Level 11 Zone B
Thaniya Plaza Building,
52 Silom Road,
Suriyawongse, Bangrak,
10500 Bangkok,
Thailand

Main: +662-231-2635-6
Fax: +662-231-2637