Longduoduo Co Ltd

Annual report pursuant to Section 13 or 15(d)

Notification of late filing of Form 10-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Other Events

Submission of Matters to a Vote of Security Holders

General form for quarterly reports under Section 13 or 15(d)

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Definitive Proxy Statement

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

General form for quarterly reports under Section 13 or 15(d)

Annual report pursuant to Section 13 or 15(d)

Correspondence with the SEC

Notification of late filing of Form 10-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

4.01,9.01

Letter from the SEC

Letter from the SEC

General form for quarterly reports under Section 13 or 15(d)

Letter from the SEC

4.01,9.01

5.07

General form for quarterly reports under Section 13 or 15(d)

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Beneficial ownership report for a holder of more than 5% (Schedule 13D)

5.02,9.01

No description available

General form for quarterly reports under Section 13 or 15(d)

Notification of late filing of Form 10-Q

Annual report pursuant to Section 13 or 15(d)

4.01,9.01

Notification of late filing of Form 10-K

5.03,9.01

8.01,9.01

4.01,9.01

General form for quarterly reports under Section 13 or 15(d)

Notification of late filing of Form 10-Q

5.02,9.01

General form for quarterly reports under Section 13 or 15(d)

Notice of Effectiveness

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Amended Initial Registration Statement

Letter from the SEC

Correspondence with the SEC

Amended Initial Registration Statement

Letter from the SEC

Correspondence with the SEC

Amended Initial Registration Statement

Letter from the SEC

Correspondence with the SEC

Amended Initial Registration Statement

Letter from the SEC

Registration (IPO) statement under Securities Act of 1933

Ma Jiayang

Shan Bo

Xu Huibo

Hongxiao Zhou

Wu Binbin

Li Zhijie

Liping Kang

Zhang Liang