v3.26.1
Cover
6 Months Ended
Mar. 31, 2026
Cover [Abstract]  
Document Type 6-K
Amendment Flag false
Document Period End Date Mar. 31, 2026
Document Fiscal Period Focus Q2
Document Fiscal Year Focus 2026
Current Fiscal Year End Date --09-30
Entity File Number 001-42683
Entity Registrant Name Julong Holding Limited
Entity Central Index Key 0002007846
Entity Address, Address Line One Room 2009, Building A
Entity Address, Address Line Two Times Fortune World
Entity Address, Address Line Three No.1 Hangfeng Road, Fengtai District
Entity Address, City or Town Beijing
Entity Address, Country CN
Entity Address, Postal Zip Code 100070