The Metal Louvres ecosystem spans three functional layers. Upstream, steel mills and aluminum processors supply the raw sheets and extrusions that form the core of louvre panels, while coating and automation technology providers add corrosion resistance and precision forming capabilities. Midstream, OEM manufacturers fabricate louvre modules and integrate control mechanisms, often collaborating with system integrators or EPC contractors that embed the products in ventilation, façade, or shading systems. Downstream, distributors and architectural dealers convey finished units to end users—commercial, industrial, and institutional building owners—who select products based on performance specifications and regulatory compliance. Value is generated through material conversion, engineering differentiation, and project‑level integration, then captured by manufacturers, integrators, and channel partners.