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

Yintech Investment Holdings Ltd SC 13D/A