Basis of Presentation (Tables)

12 Months Ended

Dec. 31, 2013

Basis of Presentation

Schedule of details of the Company's subsidiaries

Name	Date of incorporation or establishment	Place of incorporation (or establishment) /operation	Percentage of ownership as of December 31, 2013	Percentage of ownership as of December 31, 2012	Principal activity
Sinovac Biotech (Hong Kong) Ltd (“Sinovac Hong Kong”)	October 2008	Hong Kong	100%	100%	Investment holding company
Sinovac Biotech Co., Ltd. (“Sinovac Beijing”) (note 11)	April 2001	PRC	73.09%	73.09%	Research and development, production and sales of vaccine products
Tangshan Yian Biological Engineering Co., Ltd (“Tangshan Yian”)	February1993	PRC	100%	100%	Research and development, production and sales of vaccine products
Sinovac Biological Technology Co., Ltd. (“Sinovac R&D”)	May2009	PRC	100%	100%	Research and development of vaccine products
Sinovac (Dalian) Vaccine Technology Co., Ltd. (“Sinovac Dalian”) (note 11)	January2010	PRC	55%	55%	Research and development, production and sales of vaccine products