0002018145 2026-02-05 2026-02-05 0002018145 RDAC:UnitsEachConsistingOfOneOrdinaryShareParValue0.0001PerShareAndOneRightEntitlingHolderToReceiveOnetenthOfOrdinaryShareMember 2026-02-05 2026-02-05 0002018145 RDAC:OrdinarySharesMember 2026-02-05 2026-02-05 0002018145 us-gaap:RightsMember 2026-02-05 2026-02-05 false 0002018145 00-0000000 8-K 2026-02-05 Rising Dragon Acquisition Corp. E9 001-42368  Yixing Road Wanbolin District  Taiyuan City Shanxi Province CN 030024 +86 18817777987 false false false false Units, each consisting of one Ordinary Share, par value $0.0001 per share RDACU NASDAQ Ordinary Shares RDAC NASDAQ Rights RDACR NASDAQ true false