| Primary Service Focus | Product and e-commerce rendering | Architectural and real-estate visualization | Industrial and technical visualization | Review relevant portfolio samples and technical requirements. |
| Typical Final Resolution | 2,000–6,000 px on the long edge | 3,000–8,000 px on the long edge | 2,000–6,000 px on the long edge | Confirm pixel dimensions, image format, color profile, and intended media. |
| Standard Production Lead Time | 3–7 business days | 5–12 business days | 4–10 business days | Request a written schedule covering modeling, draft review, revisions, and final delivery. |
| Included Revision Rounds | 2 rounds | 2–3 rounds | 2 rounds | Clarify whether revisions include modeling, materials, camera, lighting, and composition changes. |
| Common 3D File Compatibility | OBJ, FBX, 3DS, STEP, IGES | 3DS, FBX, SKP, DWG, OBJ | STEP, IGES, STL, OBJ, FBX | Send a test file and confirm import, scale, texture, and layer-handling capabilities. |
| Rendering Workflow | Modeling, texturing, lighting, GPU/CPU rendering | CAD/BIM conversion, environment design, post-production | CAD cleanup, material definition, technical lighting, rendering | Ask for a workflow diagram and draft checkpoints before production begins. |
| Preview Approval Method | Low-resolution watermarked draft | Clay render and lighting draft | Technical draft and material proof | Ensure approval is obtained before high-resolution rendering. |
| File Delivery Package | PNG, JPG, TIFF, layered source files by agreement | PNG, JPG, TIFF, panorama or animation options | PNG, JPG, TIFF, technical source files by agreement | Confirm naming rules, editable assets, file storage, and delivery method. |
| Commercial Pricing Structure | Per image or product package | Per view, area, or project phase | Per model, view, or engineering package | Compare identical specifications, including modeling, revisions, rendering, and post-production. |
| Quality Control Indicators | Texture accuracy, clean edges, consistent product scale | Lighting realism, perspective accuracy, spatial detail | Dimensional accuracy, material realism, technical detail | Use a paid test project with measurable acceptance criteria. |
| Best Fit for Buyers | Catalogs, marketplaces, packaging, product launches | Property marketing, design presentations, planning approvals | Manufacturing, equipment sales, manuals, investor presentations | Match the supplier’s demonstrated experience to the project’s final use case. |
| Recommended Evaluation Weight | 35% | 35% | 30% | Adjust the weighting according to quality, delivery speed, communication, technical capability, and total cost. |