v3.26.3
Summary of Significant Accounting Policies (Details)
 12 Months Ended
Jun. 30, 2026
USD ($)
segments
metricton1
Jun. 30, 2025
USD ($)
Jun. 30, 2026
CNY (¥)
Summary of Significant Accounting Policies [Line Items]      
Cash $ 57,275 $ 14,533,829  
Restricted cash 2,093,955 3,118,067  
Restricted cash by legal orders $ 93,955 84,152  
Incremental borrowing rate 10.74%    
Uncertain tax positions  
Percentage of income tax 25.00%    
Value added tax percentage 9.00%    
Percentage of construction taxes 7.00%    
Percentage of education surcharges 3.00%    
Segment description The Company has designated its full-time Chief Executive Officer (CEO) as the CODM, consistent with the SEC and U.S. GAAP definition of the individual who holds ultimate responsibility for operational resource allocation and performance assessment decisions. The CEO reviews complete, consolidated company-wide operating results on a recurring basis as the exclusive basis for making resource allocation decisions and evaluating overall business performance, and does not manage, govern, or make operational decisions using disaggregated financial information for multiple separate operating segments.    
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Chief Executive Officer    
Number of reportable segment (in Segment) | segments 1    
Percentage of revenue 100.00% 100.00%  
Number of operating segment | segments 1    
Number of contracted volume | metricton1 30,000    
Settlement Agreement [Member]      
Summary of Significant Accounting Policies [Line Items]      
Restricted cash by legal orders $ 2,000,000    
East West Bank [Member]      
Summary of Significant Accounting Policies [Line Items]      
Restricted cash   $ 3,000,000  
US Dollars [Member]      
Summary of Significant Accounting Policies [Line Items]      
Foreign currency exchange rate 1   1
China, Yuan Renminbi [Member]      
Summary of Significant Accounting Policies [Line Items]      
Foreign currency exchange rate 6.7851 7.1636 6.7851
PRC [Member]      
Summary of Significant Accounting Policies [Line Items]      
Cash $ 50,230 $ 62,773  
Amount of insurance not covered  
Deposits covered by insurance 70,000   ¥ 500,000
U.S. Financial Institutions [Member]      
Summary of Significant Accounting Policies [Line Items]      
Cash 2,100,835 3,119,012  
Amount of insurance not covered 1,833,224 2,782,355  
Deposits covered by insurance 250,000    
Djibouti [Member]      
Summary of Significant Accounting Policies [Line Items]      
Cash 165 14,404,155  
Deposits covered by insurance $ 317,840 $ 461,870  
Average Exchange Rates [Member] | China, Yuan Renminbi [Member]      
Summary of Significant Accounting Policies [Line Items]      
Foreign currency exchange rate 6.994 7.2143 6.994
Minimum [Member]      
Summary of Significant Accounting Policies [Line Items]      
Value added tax percentage 9.00%    
Maximum [Member]      
Summary of Significant Accounting Policies [Line Items]      
Value added tax percentage 13.00%