株式会社横引シャッター manufactures horizontally sliding (side-rolling) shutters, including curved and bespoke assemblies, from its Adachi works. Its electric fire and smoke side-rolling shutter holds 国土交通大臣認定 CAS-1278 as composite fire-protection equipment — the firm publishes the certificate itself — and it is listed as JSDA-2025 on the Japan Shutter & Door Association’s CAS register. Design, fabrication, installation and after-sales repair are handled directly.