Spectrum Alupro – Manufacturer of Aluminium Windows, Doors, Facades & Winter Gardens We are a direct manufacturer of modern aluminium systems based in Szczecinek, Poland. Our core business is the fabrication and professional installation of high-quality aluminium windows, doors, glazed facades, and winter gardens (verandas). In addition to our aluminium manufacturing facility, we operate a high-precision TIG/MIG welding department. This unique combination allows us to produce and supply flawlessly finished aluminium and stainless steel balustrades, custom machine frames, and structures. > Our Production Capabilities: > * Aluminium Joinery (Direct Manufacturer): In-house production of aluminium windows, sliding doors, entrance systems, structural glass facades, and winter gardens. > * Balustrades & Steelwork: High-end aluminium and stainless steel balustrades, custom machine bases, racks, and structural weldments (up to 12 meters in length). Precision Welding: Master-level TIG welding of thin-walled aluminium profiles and stainless steel with clean, aesthetic weld seams. End-to-End Service: We handle everything from raw material processing and precise fabrication to safe transport and professional assembly.