Exhibit 99.1

Joint Filing Agreement

In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that a single Schedule 13G (or any amendment thereto) relating to the Class A ordinary shares of DSC Holdings Ltd. shall be filed on behalf of each of the undersigned and that this Agreement shall be filed as an exhibit to such Schedule 13G. Each of the undersigned acknowledges that each shall be responsible for the timely filing of amendments with respect to information concerning such undersigned reporting person, and for the completeness and accuracy of the information concerning such undersigned reporting person, contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that such reporting person knows or has reason to believe that such information is inaccurate. This Agreement may be executed in any number of counterparts and all of such counterparts taken together shall constitute one and the same instrument.

Date: July 13, 2026

	TMT General Partner Ltd.

	By:	/s/ LIU, Qin
		Name: LIU, Qin
		Title: Director

	Morningside China TMT GP II, L.P.

	By:	/s/ LIU, Qin
		Name: LIU, Qin
		Title: TMT General Partner Ltd., as its general partner

	Morningside China TMT Fund II, L.P.

	By:	/s/ LIU, Qin
		Name: LIU, Qin
		Title: Morningside China TMT GP II, L.P., as its general partner, TMT General Partner Ltd., as its general partner

	Morningside China TMT Top Up Fund, L.P.

	By:	/s/ LIU, Qin
		Name: LIU, Qin
		Title: Morningside China TMT GP II, L.P., as its general partner, TMT General Partner Ltd., as its general partner

	MSVC SPF I GP, L.P.

	By:	/s/ LIU, Qin
		Name: LIU, Qin
		Title: TMT General Partner Ltd., as its general partner

	MSVC SPF I, L.P.

	By:	/s/ LIU, Qin
		Name: LIU, Qin
		Title: MSVC SPF I GP, L.P., as its general partner, TMT General Partner Ltd., as its general partner

DSC Holdings Ltd. SCHEDULE 13G