Company: QSJC
Filing Date: 2025-03-26
Form Type: 10-K
Source: 0001683168-25-001892
Chunk: 423

Company: TANCHENG GROUP CO., LTD.
Filing Date: 2025-03-26
Form: 10-K
Item: Item 5
Chunk 423
---
 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.

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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 in the capacities and on the dates
indicated.

    Signature
     
    Title 
     
    Date 

    /s/ Yu Yang 
     
    Director, President, Treasurer, Chief Executive Officer
     
    March 26, 2025
  
    Yu Yang 
     
    (principal executive officer )

    /s/ Caixia
    Zhang
     
    Chief Financial Officer 
     
    March 26, 2025
  
    Caixia Zhang
     
    (principal financial and accounting officer)

    /s/ Longjiao
    Li
     
    Director 
     
    March 26, 2025
  
    Longjiao Li

 42