TANCHENG GROUP CO., LTD.

Q: Jun 30 2026

Q: Mar 31 2026

FY: Dec 31 2025

Q: Sep 30 2025

Q: Jun 30 2025

Q: Mar 31 2025

FY: Dec 31 2024

Q: Sep 30 2024

Q: Jun 30 2024

Q: Mar 31 2024

FY: Dec 31 2023

Q: Sep 30 2023

Q: Jun 30 2023

Q: Mar 31 2023

FY: Dec 31 2022

Q: Oct 31 2022

FY: Jul 31 2022

Q: Apr 30 2022

Q: Jan 31 2022

Q: Oct 31 2021

Changes in Registrant's Certifying Accountant

5.02

5.02

5.07,9.01

1.01,2.01,5.05,5.06,9.01

5.07,9.01

4.01,9.01

1.01,5.01,9.01

No description available

Notice of Effectiveness

Post-effective amendment to a registration statement

Notice of Effectiveness

Amended Initial Registration Statement

Amended Initial Registration Statement

Amended Initial Registration Statement

Amended Initial Registration Statement

Amended Initial Registration Statement

Amended Initial Registration Statement

Registration (IPO) statement under Securities Act of 1933

none

none

Li Ping

Li Longjiao

Yang Yu

Zhang Caixia Ltd; Zhang Caixia

Correspondence with the SEC

Letter from the SEC

Letter from the SEC

Letter from the SEC