v3.25.2
Cover
Jul. 09, 2025
Document Type 8-K
Amendment Flag false
Document Period End Date Jul. 09, 2025
Entity File Number 001-42251
Entity Registrant Name YHN Acquisition I Limited
Entity Central Index Key 0002020987
Entity Tax Identification Number 00-0000000
Entity Incorporation, State or Country Code D8
Entity Address, Address Line One 2/F, Hang Seng Building
Entity Address, Address Line Two 200 Hennessy Road
Entity Address, City or Town Wanchai
Entity Address, Country HK
Entity Address, Postal Zip Code 0000
City Area Code +852
Local Phone Number 5499 8101
Written Communications true
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Units, each consisting of one Ordinary Share, no par value, and one Right entitling the holder to receive one-tenth of an Ordinary Share  
Title of 12(b) Security Units, each consisting of one Ordinary Share, no par value, and one Right entitling the holder to receive one-tenth of an Ordinary Share
Trading Symbol YHNAU
Security Exchange Name NASDAQ
Ordinary Share  
Title of 12(b) Security Ordinary Share
Trading Symbol YHNA
Security Exchange Name NASDAQ
Rights [Member]  
Title of 12(b) Security Rights
Trading Symbol YHNAR
Security Exchange Name NASDAQ