* Gets additional 3 mln doses order from Chinese govt
* Shares up 9 pct
Sept 30 (Reuters) - Chinese vaccine maker Sinovac Biotech Ltd (SVA.A) said it received a second order for its H1N1 swine flu vaccine from the Chinese government for the national stockpiling plan, sending its shares up 9 percent.
Sinovac is required to produce an additional 3 million doses of the vaccine, Panflu.1, for the central government.
On Sept. 4, the company received an initial order for 3.3 million doses from the Ministry of Industry and Information Technology of China.
Sinovac was the first company worldwide to complete clinical trials for a vaccine to treat the new strain of H1N1, commonly dubbed swine flu. [ID:nLI544899]
Shares of the company were up 62 cents at $8.55 in premarket trade. They closed at $7.93 Tuesday on the American Stock Exchange.
For the alerts double-click [ID:nWNAB4628] . (Reporting by Anand Basu in Bangalore; Editing by Aradhana Aravindan)