Short-term deposits

12 Months Ended

Dec. 31, 2017

Short-term deposits [Abstract]

Short-term deposits

6. Short-term deposits

Short-term deposits represent time deposits placed with banks with original maturities of less than one year. Short-term deposits balance as of December 31, 2016 and 2017 primarily consist of the following currencies:

	December 31, 2016				December 31, 2017
	Amount		RMB equivalent		Amount		RMB equivalent
RMB		1,235,000		1,235,000		3,400,000		3,400,000
US$		362,882		2,516,519		397,816		2,600,104
Total				3,751,519				6,000,104