v3.26.1
Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2025
Summary of Significant Accounting Policies [Abstract]  
Schedule of Fair Value Measurements

As of December 31, 2024 and 2025, the carrying values of current assets and current liabilities approximated their fair values reported in the consolidated balance sheets due to the short-term maturities of these instruments, except for the following.

 

Fair Value Measurements as of December 31, 2024 
   

Quoted Prices

in Active

Markets for

Identical

Assets

(Level 1)

  

Significant

Other

Observable

Inputs

(Level 2)

  

Unobservable
Inputs

(Level 3)

  

Fair value at
December 31,
2024

 
    RMB   RMB   RMB   RMB 
Cryptocurrencies    242,889,085    
    
    242,889,085 

 

Fair Value Measurements as of December 31, 2025
  

Quoted Prices

in Active

Markets for

Identical

Assets

(Level 1)

  

Significant

Other

Observable

Inputs

(Level 2)

  

Unobservable
Inputs

(Level 3)

  

Fair value at
December 31,
2025

 
   RMB   RMB   RMB   RMB 
Cryptocurrencies   768,555,420    
    
    768,555,420 
Receivable for cryptocurrencies collateral   20,387,316    
    
    20,387,316 
Short-term investments   22,339,045    3,875,947    
    26,214,992 
Borrowings denominated in cryptocurrencies   11,948,960    
    
    11,948,960 
Schedule of Estimated Useful Lives of Property and Equipment Depreciation is calculated using the straight-line method over their estimated useful lives. The estimated useful lives are as follows:
Machinery and electronic equipment  3 to 10 years
Office furniture  5 years
Transportation equipment  4 years
Buildings and facilities attached to buildings  20 years
Schedule of Estimated Useful Lives of Intangible Assets The Company amortizes its franchise right and land use right on a straight-line basis over the contractual term. The estimated useful lives are as follows:
Franchise right   2 years
Land use right   50 years
Schedule of Net Revenues The following table summarizes the net revenues generated from different revenue streams:
   For the Years Ended December 31, 
   2023   2024   2025 
   RMB   RMB   RMB 
Product sales revenue   71,321,462    34,096,450    26,633,026 
Service revenue   7,013,914    6,499,466    373,718 
Net revenues   78,335,376    40,595,916    27,006,744 
Schedule of Net Revenues By Geographical Location of Customers

For the years ended December 31, 2023, 2024 and 2025, the Company’s net revenues by geographical location of customers are as follows:

 

   For the Years Ended December 31, 
   2023   2024   2025 
   RMB   RMB   RMB 
PRC   57,485,526    24,986,453    23,675,156 
Hong Kong   16,461    9,467,603    1,242,153 
Singapore   1,119,872    4,697,243    

 
The United States   7,115,353    1,094,904    1,560,205 
Others   12,598,164    349,713    529,230 
Net revenues   78,335,376    40,595,916    27,006,744