v3.26.1
Related Parties - Schedule of Related Parties (Details) - USD ($)
6 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Dec. 31, 2008
Oct. 31, 2025
Due from related parties        
Due from related parties $ 347     $ 490
Borrowing 0 $ 0    
Repayment 0 38,901    
Dingxin Sun [Member]        
Due from related parties        
Due from related parties [1] 347     $ 490
Borrowing [1] 0 0    
Repayment [1] 0 38,901    
Shandong Dingxin Energy Saving Technology Group Co. Ltd. [Member]        
Due from related parties        
Nature [2]     Office Rental  
Transactions with related parties [2] $ 28,754 $ 27,518    
[1] Dingxin Sun: the director of Shandong Dingxin Ecology Environmental Co., Ltd.
[2] Shandong Dingxin Energy Saving Technology Group Co. Ltd.: the company directly controlled by Dingxin Sun.