v3.26.1
Related Party Transactions - Schedule of Balances Due from Related Parties and Due to Related Parties (Details) - USD ($)
 6 Months Ended 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Schedule of Balances Due from Related Parties and Due to Related Parties [Line Items]          
Services provided to related parties     $ 23,374,497 $ 16,314,896 $ 18,844,422
Short-term office lease expense from a related party $ 13,795 34,448 27,443 28,571
Topsheen Shipping Singapore Pte. Ltd. (Time charter revenue) [Member]          
Schedule of Balances Due from Related Parties and Due to Related Parties [Line Items]          
Accounts receivable-related parties [1]   616,279 [1],[2] 50,125 [2]  
Advance from customers-related party 497,360 [3]   433,125 [3] 213,209 [4]  
Due from related parties [5]     331,948 331,656  
Services provided to related parties     18,682,031 12,281,701 13,999,534
Tong Da Shipping Co. Limited (Vessel management services revenue) [Member]          
Schedule of Balances Due from Related Parties and Due to Related Parties [Line Items]          
Accounts receivable-related parties [6]   143,277 [6],[7] [7]  
Services provided to related parties     1,457,911 1,492,521 1,752,601
Mei Da Shipping Co. Limited (Vessel management services revenue) [Member]          
Schedule of Balances Due from Related Parties and Due to Related Parties [Line Items]          
Accounts receivable-related parties [6]   159,638 [6],[7] [7]  
Services provided to related parties     1,481,220 1,565,711 2,052,046
Keen Best Shipping Co Limited (Vessel management services revenue) [Member]          
Schedule of Balances Due from Related Parties and Due to Related Parties [Line Items]          
Accounts receivable-related parties 5,000 [6]   99,121 [6],[7] 86,817 [7]  
Services provided to related parties     1,128,998 974,963
Related Party [Member]          
Schedule of Balances Due from Related Parties and Due to Related Parties [Line Items]          
Accounts receivable-related parties 5,000   1,018,315 136,942  
Advance from customers-related party 497,360   433,125 213,209  
Due from related parties 412,873   331,948 403,318  
Due to related parties 21,502,619   24,553,231 24,851,679  
Services provided to related parties 11,142,617 11,957,102      
Ocean Master Worldwide Corporation [Member]          
Schedule of Balances Due from Related Parties and Due to Related Parties [Line Items]          
Due from related parties     71,662  
Due to related parties 11,546   11,546 11,546  
Topsheen Shipping Group Limited [Member]          
Schedule of Balances Due from Related Parties and Due to Related Parties [Line Items]          
Due to related parties 5,417 [1],[8]   36,584 [1],[2],[8] 45,504 [2]  
Nanjing Top Confidence Marine Management Co., Ltd [Member]          
Schedule of Balances Due from Related Parties and Due to Related Parties [Line Items]          
Due to related parties 8,710 [8]   14,381 [8],[9] 17,683 [9]  
Due to shareholder and affiliate [Member]          
Schedule of Balances Due from Related Parties and Due to Related Parties [Line Items]          
Due to related parties 21,476,946 [8]   24,490,720 [8],[10] 24,776,946 [10]  
Rui Da Shipping Co. Limited (Vessel management services revenue) [Member]          
Schedule of Balances Due from Related Parties and Due to Related Parties [Line Items]          
Services provided to related parties     420,737
Xun Da Shipping Co. Limited (Vessel management services revenue) [Member]          
Schedule of Balances Due from Related Parties and Due to Related Parties [Line Items]          
Services provided to related parties     619,504
Topsheen Bulk Singapore Pte Ltd (Time charter revenue) [Member]          
Schedule of Balances Due from Related Parties and Due to Related Parties [Line Items]          
Services provided to related parties     624,337
Mr. Jun Li’s affiliate [Member]          
Schedule of Balances Due from Related Parties and Due to Related Parties [Line Items]          
Short-term office lease expense from a related party 13,795 27,684 27,443 28,571
Topsheen Shipping Group Co., Ltd [Member]          
Schedule of Balances Due from Related Parties and Due to Related Parties [Line Items]          
General and administrative expenses shared with a related party $ 57,508 $ 55,997 $ 92,581 $ 108,353 $ 75,592
[1] The balance mainly represented consideration for time charter accounts receivable from Topsheen Shipping Singapore Pte. Ltd, which was collected in current period.
[2] The balance mainly represented consideration for time charter accounts receivable from Topsheen Shipping Singapore Pte. Ltd.
[3] The balance represents the advance charter hire payments from Topsheen Shipping Singapore Pte. Ltd.
[4] The balance represents the advance charter hire payments from Topsheen Shipping Singapore Pte. Ltd.
[5] The balance represents the outstanding bunker receivable from Topsheen Shipping Singapore Pte. Ltd for time charter service provided by the Group.
[6] The balance represents the accrued management fees from related parties for vessel management services, which was partially collected in current period.
[7] The balance represents the accrued management fees from related parties for vessel management services.
[8] The balances mainly represented non-interest-bearing loans from Mr. Shoucheng Lei and due on demand. During the six months end December 31, 2025, the Group repaid $3,000,000 of these loans to Mr. Shoucheng Lei.
[9] The balances mainly represented the expenses paid on behalf of the Group.
[10] The balances mainly represented non-interest-bearing loans from Mr. Shoucheng Lei and due on demand.