The Photovoltaic Module Aluminum Alloy Frame ecosystem spans the full value chain from raw‑material extraction to final solar‑farm deployment. Upstream activities comprise bauxite mining, alumina refining, and extrusion of alloy profiles, supplied by raw‑material and component vendors. Midstream actors include frame manufacturers and technology providers that apply anodizing, surface‑treatment, and design optimization to meet IEC and UL standards. Downstream, system integrators, EPC contractors, and distributors assemble the frames with photovoltaic cells, transport finished modules, and deliver them to utility‑scale, commercial, or residential projects. Value is captured through material cost efficiencies, engineering differentiation, and compliance‑driven premium pricing, while risk is transferred across contractual hand‑offs. R&D centers within frame OEMs validate thermal‑expansion behavior and long‑term durability, feeding back design refinements to upstream suppliers.