Exhibit 1

Joint Filing Agreement

We, the signatories of the statement on Schedule 13G to which this Agreement is attached, hereby agree that such statement is, and any amendments thereto filed by any of us will be, filed on behalf of each of us.

Dated: February 14, 2018

Florence Star Worldwide Limited
By:	/s/ Andrew Lo
	Name: Andrew Lo
	Title: Director
Brackenhill Tower Limited
By:	/s/ Andrew Lo
	Name: Andrew Lo
	Title: Director
China Harvest Fund II, L.P.
By China Renaissance Capital Investment II, L.P., its general partner
By China Renaissance Capital Investment II GP, its general partner
By:	/s/ Andrew Lo
	Name: Andrew Lo
	Title: Director
China Renaissance Capital Investment II, L.P.
By China Renaissance Capital Investment II GP, its general partner
By:	/s/ Andrew Lo
	Name: Andrew Lo
	Title: Director
China Renaissance Capital Investment II GP
By:	/s/ Andrew Lo
	Name: Andrew Lo
	Title: Director