| Design | Creating initial designs and specifications based on client needs. | CAD software, design templates | Consult with clients for functionality and aesthetics. |
| Material Selection | Choosing the appropriate aluminum alloys and other materials. | Aluminum alloys, thermal insulation materials | Consider strength, thermal performance, and cost. |
| Fabrication | Cutting, shaping, and processing aluminum components. | Cutting machines, CNC equipment | Ensure precision to meet design specifications. |
| Assembly | Joining the fabricated parts together into a complete door unit. | Fasteners, adhesives | Focus on structural integrity and alignment. |
| Finishing | Applying surface treatments like anodizing or painting. | Coatings, anodizing solutions | Enhance durability and aesthetic appeal. |
| Quality Control | Inspecting finished products for defects and adherence to standards. | Quality assurance tools | Final checks to ensure product reliability. |