v3.25.2
Cover - USD ($)
 3 Months Ended
Mar. 31, 2025
Aug. 08, 2025
Sep. 30, 2024
Document Information [Line Items]      
Document Type 10-KT    
Document Annual Report false    
Document Transition Report true    
Document Period Start Date Jan. 01, 2025    
Document Financial Statement Error Correction [Flag] false    
Entity Interactive Data Current Yes    
ICFR Auditor Attestation Flag false    
Amendment Flag false    
Document Period End Date Mar. 31, 2025    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Entity Information [Line Items]      
Entity Registrant Name Hongchang International Co., Ltd    
Entity Central Index Key 0001086303    
Entity File Number 000-26731    
Entity Tax Identification Number 87-0627910    
Entity Incorporation, State or Country Code NV    
Current Fiscal Year End Date --03-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Shell Company false    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Public Float     $ 12,754,056
Entity Incorporation, Date of Incorporation May 18, 1987    
Entity Contact Personnel [Line Items]      
Entity Address, Address Line One Room 2409, Rongshang Building    
Entity Address, Address Line Two Furen Avenue,    
Entity Address, Address Line Three Yangpu Village    
Entity Address, City or Town Fuzhou City    
Entity Address, Country CN    
Entity Address, Postal Zip Code 350300    
Entity Phone Fax Numbers [Line Items]      
City Area Code (86)    
Local Phone Number 180 5901 6050    
Entity Listings [Line Items]      
No Trading Symbol Flag true    
Title of 12(g) Security Common Stock, $0.001 par value per share    
Entity Common Stock, Shares Outstanding   518,831,367