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Cover
 12 Months Ended
Dec. 31, 2025
shares
Document Information [Line Items]  
Document Type 20-F/A
Document Registration Statement false
Document Annual Report true
Document Transition Report false
Document Financial Statement Error Correction [Flag] false
Document Shell Company Report false
Entity Interactive Data Current Yes
Document Accounting Standard U.S. GAAP
ICFR Auditor Attestation Flag false
Amendment Flag true
Document Period End Date Dec. 31, 2025
Document Fiscal Year Focus 2025
Document Fiscal Period Focus FY
Entity Registrant Name LUDA TECHNOLOGY GROUP LIMITED
Entity Central Index Key 0001984124
Entity File Number 001-42289
Entity Incorporation, State or Country Code E9
Current Fiscal Year End Date --12-31
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 Emerging Growth Company true
Entity Ex Transition Period false
Entity Address, Address Line One Rooms 1604-1605
Entity Address, Address Line Two 16/F
Entity Address, Address Line Three YF Life Centre38 Gloucester Road
Entity Address, City or Town Wanchai
Entity Address, Country HK
Entity Address, Postal Zip Code 00000
Title of 12(b) Security Ordinary Shares, par value HK$0.25 (equivalent to US$0.03)
Trading Symbol LUD
Security Exchange Name NYSEAMER
Entity Common Stock, Shares Outstanding 22,690,000
Amendment Description This Amendment No. 2 to Form 20-F (the “Form 20-F/A”) amends our annual report on Form 20-F for the year ended December 31, 2025 (the “Annual Report”), which was originally filed with the U.S. Securities and Exchange Commission on May 15, 2026, as amended by Amendment No. 1 on Form 20-F/A, as filed with the SEC on June 26, 2026 (“Amendment No. 1”). The Amended Filing is solely to file Exhibit 12.1, the certification of the Principal Executive Officer and Exhibit 12.2, Certification of Principal Financial Officer of the Company required by Rule 13a-14(a).Except as described above, this Form 20-F/A does not modify, amend or update the Original Filing or Amendment No. 1 (including, without limitation, the financial or other information contained therein). This Form 20-F/A does not reflect any events that have occurred on or after the date of the Original Filing.1
Business Contact [Member]  
Document Information [Line Items]  
Contact Personnel Name Ma Biu
Contact Personnel Email Address ir@ludahk.com
Entity Address, Address Line One Rooms 1604-1605
Entity Address, Address Line Two 16/F
Entity Address, Address Line Three YF Life Centre38 Gloucester Road
Entity Address, City or Town Wanchai
Entity Address, Country HK
Entity Address, Postal Zip Code 00000
City Area Code + 852
Local Phone Number 2994 8774