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

Company: TANCHENG GROUP CO., LTD.
Filing Date: 2025-11-14
Form: 10-Q
Item: Part I, Item 1
Chunk 11
---
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 total purchase for the three and nine months ended September 30, 2025 and 2024 are as follows:

    Schedule of purchase concentration 

    For the three months ended September 30, 

    2025  
    2024 

    Amount  
    % of total purchase  
    Amount  
    % of total purchase 
  
    Supplier A 
    $35,312  
     100%  
    $140,553  
     100% 

    For the nine months ended September 30, 

    2025  
    2024 

    Amount  
    % of total purchase  
    Amount  
    % of total purchase 
  
    Supplier A 
    $203,954  
     100%  
    $263,145  
     100% 

(n) Recent Accounting Pronouncements

In November 2023, the Financial Accounting Standards
Board (“FASB”) issued ASU 2023-07,