Company: QSJC
Filing Date: 2025-03-26
Form Type: 10-K
Source: 0001683168-25-001892
Chunk: 465

Company: TANCHENG GROUP CO., LTD.
Filing Date: 2025-03-26
Form: 10-K
Item: Item 6
Chunk 465
---
 Zhang Caixia Limited, and the registrant. (incorporated by reference to Exhibit 2.1 to the registrant’s Current Report on Form 8-K filed on March 24, 2023)

    19.1
     
    Insider Trading Policy

    31.1
     
    Certifications of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

    31.2
     
    Certifications of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

    32.1
     
    Certifications of Chief Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

    32.2
     
    Certifications of Chief Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

 40 

    101.INS 
     
    XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document

    101.SCH 
     
    Inline XBRL Taxonomy Extension Schema Document

    101.CAL 
     
    Inline XBRL Taxonomy Extension Calculation Linkbase Document

    101.DEF 
     
    Inline XBRL Taxonomy Extension Definition Linkbase Document

    101.LAB 
     
    Inline XBRL Taxonomy Extension Label Linkbase Document

    101.PRE 
     
    Inline XBRL Taxonomy Extension Presentation Linkbase Document

    104 
     
    Cover Page Interactive Data File (the cover page XBRL tags are embedded within the iXBRL document).

ITEM 16. FORM 10-K SUMMARY

None.

 41 

SIGNATURES

Pursuant to the requirements of Section 13 or
15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned,
thereunto duly authorized.

    Date: March 26, 2025

    TANCHENG GROUP CO., LTD.

    By: 
    /s/ Yu Yang 

    Yu Yang 

    Chief Executive Officer 

    (Principal executive officer)

In accordance with the Securities Exchange Act
of 1934, this report has been signed below by the following persons on behalf of the Registrant and