Exhibit A

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with the other Reporting Person (as such term is defined in the Schedule 13D referred to below) on behalf of each of them of a statement on Schedule 13D (including amendments thereto) with respect to the ordinary shares, par value of $0.00001 per share, of Yintech Investment Holdings Limited, a Cayman Islands company, and that this Agreement may be included as an Exhibit to such joint filing. This Agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.

IN WITNESS WHEREOF, the undersigned hereby execute this Agreement as of August 19, 2020.

Wenbin Chen		/s/ Wenbin Chen
Coreworth Investments Limited	By:	/s/ Wenbin Chen
		Name: Wenbin Chen
		Title: Authorized Signatory
Ming Yan		/s/ Ming Yan
Harmony Creek Investments Limited	By:	/s/ Ming Yan
		Name: Ming Yan
		Title: Authorized Signatory
Ningfeng Chen		/s/ Ningfeng Chen
Rich Horizon Investments Limited	By:	/s/ Ningfeng Chen
		Name: Ningfeng Chen
		Title: Authorized Signatory
MeMeStar Limited	By:	/s/ Yan Yang
		Name: Yan Yang
		Title: Director
Bingsen Chen		/s/ Bingsen Chen
Sino August Investment Limited	By:	/s/ Bingsen Chen
		Name: Bingsen Chen
		Title: Director
Sina Corporation	By:	/s/ Charles Guowei Chao
		Name: Charles Guowei Chao
		Title: Chairman of the Board and Chief Executive Officer
Pan Hou Capital Management Limited	By:	/s/ Weiwei Zhou
		Name: Weiwei Zhou
		Title: Director
Lanxiang Wang		/s/ Lanxiang Wang
Chang Qing Investment Management Company Limited	By:	/s/ Juehao Li
		Name: Juehao Li
		Title: Director
Juehao Li		/s/ Juehao Li
Orchid Asia VI, L.P.	By:	/s/ Gabriel Li
		Name: Gabriel Li
		Title: Authorized Representative
Orchid Asia V Co-Investment, Limited	By:	/s/ Gabriel Li
		Name: Gabriel Li
		Title: Director
OAVI Holdings, L.P.	By:	/s/ Gabriel Li
		Name: Gabriel Li
		Title: Authorized Representative
Orchid Asia VI GP, Limited	By:	/s/ Gabriel Li
		Name: Gabriel Li
		Title: Director
Orchid Asia V Group Management, Limited	By:	/s/ Gabriel Li
		Name: Gabriel Li
		Title: Director
Orchid Asia V Group, Limited	By:	/s/ Gabriel Li
		Name: Gabriel Li
		Title: Director
AREO Holdings Limited	By:	/s/ Gabriel Li
		Name: Gabriel Li
		Title: Director
YM Investment Limited	By:	/s/ Gabriel Li
		Name: Gabriel Li
		Title: Director
The Li Family (PTC) Limited	By:	/s/ Gabriel Li
		Name: Gabriel Li
		Title: Authorized Signatory
Lam Lai Ming		/s/ Lam Lai Ming
Fanghai Yu		/s/ Fanghai Yu
Yu Zou		/s/ Yu Zou
Dongda Zou		/s/ Dongda Zou
Qin Wang		/s/ Qin Wang
Youbin Leng		/s/ Youbin Leng
Jigeng Chen		/s/ Jigeng Chen
Pingsen Chen		/s/ Pingsen Chen
Dikuo Bo		/s/ Dikuo Bo
Xinzhou Tang		/s/ Xinzhou Tang