Investor Name	Invest Money	Lead Investor	Propotion

Announced Date	Round	Money Raised	Investors
May 17, 2006	Series C	$ 17M	Accel,Greylock,etc.	Detail
Dec 5, 2017	Series B	$ 13M	Forgepoint Capital,U.S. Venture Partners	Detail
Jun 3, 2003	Series B	$ 12M	U.S. Venture Partners,Venrock	Detail
Apr 8, 2008	Series D	$ 20M	Accel,Greylock,etc.	Detail
Jun 23, 2016	Private Equity（PE）	0	Elliott Management	Detail
Mar 11, 2015	Series A	$ 8M	Core Ventures,Daher Capital,etc.	Detail
Dec 17, 2013	Series Unknown	$ 2.42M	Karlin Ventures	Detail