v3.25.2
Cover - shares
 3 Months Ended
Jun. 30, 2025
Aug. 13, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Amendment Flag false  
Document Period End Date Jun. 30, 2025  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
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 Current Reporting Status Yes  
Entity Shell Company false  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
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]    
Title of 12(b) Security None  
No Trading Symbol Flag true  
Entity Common Stock, Shares Outstanding   518,831,367