Investor Name	Invest Money	Lead Investor	Propotion
General Motors	-	Yes	-	Detail
Applied Ventures	-	-	-	Detail
SAIC Motor	-	-	-	Detail
SK Holdings	-	-	-	Detail
Temasek Holdings	-	-	-	Detail
Vertex Ventures	-	-	-	Detail

Announced Date	Round	Money Raised	Investors
Oct 1, 2017	Series Unknown	0	General Motors Ventures	Detail
Jan 29, 2016	Series Unknown	$ 12M	Applied Ventures,General Motors Ventures,etc.	Detail
Jul 24, 2015	Series B	$ 6.69M	Applied Ventures,Beringea,etc.	Detail
Sep 1, 2012	Grant	$ 40K	Massachusetts Clean Energy Center,MassVentures	Detail
Sep 24, 2013	Series A	$ 4.50M	Vertex Ventures,Vertex Ventures China	Detail
Dec 19, 2017	Series C	$ 34M	Applied Ventures,General Motors Ventures,etc.	Detail
Nov 6, 2018	Series C	$ 28.87M	SK Holdings	Detail