SVA [SINOVAC BIOTECH] 20-F:
[] [List of Subsidiaries 1. Sinovac Biotech (Hong Kong) Ltd., a Hong Kong company 2. Sinovac Biotech Co., Ltd., a PRC company 3. Sinovac Research and Development Co., Ltd. (formerly known as Beijing Sinovac Biological Technology Co., Ltd.), a PRC company 4. Sinovac (Dalian) Vaccine Technology Co., Lt]