The　current　surface-enhanced　Raman　scattering　(SERS)　substrates　typically　feature　a　single　energy　level,　posing　challenges　in　coordinating　electromagnetic　enhancement　(EM)　and　chemical　enhancement　(CM),　thereby　limiting　the　sensitive　detection　of　numerous　crucial　target　molecules.　In　this　study,　novel　aggregated　nanorings　(a-NRs)　hybridizing　Ag,　Au　and　AgCl　are　constructed　as　SERS　substrates.　On　one　hand,　the　obtained　a-NRs　exhibit　robust　localized　surface　plasmon　resonance　absorption,　whose　wavelength　can　be　tuned　to　match　three　commonly　used　laser　wavelengths　(532,　633　and　785　nm)　to　gain　strong　EM　effect.　On　the　other　hand,　these　materials　possess　the　Fermi　levels　of　Au　nanoparticles　and　Au/Ag　alloy,　in　addition　to　the　valence　band　and　conduction　band　of　AgCl.　The　abundant　energy　levels　of　the　obtained　a-NRs　facilitate　increased　charge　transfer　opportunities　for　molecules,　leading　to　a　strong　CM　effect.　Therefore,　the　obtained　a-NRs　show　ultra-high　SERS　sensitivity　towards　numerous　molecules.　Moreover,　the　unique　chemical　composition　makes　the　obtained　a-NRs　have　good　long-term　stability　in　terms　of　SERS　activity.　Besides　providing　high-performance　SERS　substrates,　the　valuable　experience　for　coordinating　EM　and　CM　to　construct　highly　active　SERS　substrate　demonstrated　in　this　work　are　expected　to　significantly　advance　the　application　of　SERS.　©　2025