Company: QSJC
Filing Date: 2025-11-14
Form Type: 10-Q
Source: 0001683168-25-008383
Chunk: 40

Company: TANCHENG GROUP CO., LTD.
Filing Date: 2025-11-14
Form: 10-Q
Item: Part I, Item 8
Chunk 40
---
 and
foreign currency translation adjustments. Comprehensive income or loss is reported in the statements of comprehensive income or loss.

(m) Concentration of Credit Risk

Financial instruments that potentially expose the
Company to a significant concentration of credit risk consist primarily of cash and cash equivalents and other receivables. As of September
30, 2025 and December 31, 2024, substantially all of the Company’s cash and cash equivalents were deposited with financial institutions
with high-credit ratings and quality. During the three and nine months ended September 30, 2025, revenue amounting to $2,689 and $56,697
was generated from third parties; and $49,509 and $159,331 was generated from a related party (Note 6), respectively. During the three
and nine months ended September 30, 2024, all revenue was generated from third parties.

Details of customer who accounted for 10% or more
of the Company’s total revenue for the three and nine months ended September 30, 2025 and 2024 are as follows:

    Schedule of revenue concentration 

    For the three months ended September 30, 

    2025  
    2024 

    Amount  
    % of total revenue  
    Amount  
    % of total revenue 
  
    Customer A 
    $49,509  
     95%  
    $144,700  
     99% 

    For the nine months ended September 30, 

    2025  
    2024 

    Amount  
    % of total revenue  
    Amount  
    % of total revenue 
  
    Customer A 
    $159,331  
     74%  
    $144,700  
     48% 
  
    Customer B 
     –  
     –%  
     74,713  
     25% 
  
    Customer C 
     –  
     –%  
     25,901  
     8% 
  
    Customer D 
     –  
     –%  
     19,687  
     6% 

    $159,331  
     74%  
    $265,001  
     87% 

     11 

Details of supplier who accounted for 10% or more
of the Company’s