v3.26.1
Related Party Balances and Transactions - Schedule of Other Payables — Related Parties (Details)
 6 Months Ended
Mar. 31, 2026
USD ($)
Mar. 31, 2026
CNY (¥)
Sep. 30, 2025
CNY (¥)
Ms. Li [Member]      
Schedule of Other Payables — Related Parties [Line Items]      
Related party transaction, relationship to the company Controlling Shareholder    
Other payables $ 43,769 ¥ 301,922 ¥ 1,363,693
Meridian Industries Limited (”MIL”) [Member]      
Schedule of Other Payables — Related Parties [Line Items]      
Related party transaction, relationship to the company Common controlled by Mr. Ko and Ms. Li    
Other payables $ 138,213 953,391 897,914
Meridian Group Holdings Limited [Member]      
Schedule of Other Payables — Related Parties [Line Items]      
Related party transaction, relationship to the company An intermediate holding company of Ping An    
Other payables
Wisewing International Ltd (“Wisewing”) [Member]      
Schedule of Other Payables — Related Parties [Line Items]      
Related party transaction, relationship to the company Controlled by Mr. Ko    
Other payables $ 26,473 182,613 672,476
Meridian (Shenzhen) Holdings Co., Ltd. (“MDSZ”) [Member]      
Schedule of Other Payables — Related Parties [Line Items]      
Related party transaction, relationship to the company Controlled by Mr. Ko    
Other payables $ 231,952 1,600,000
Related Party [Member]      
Schedule of Other Payables — Related Parties [Line Items]      
Other payables $ 440,407 ¥ 3,037,926 ¥ 2,934,083