Practical checklist
✔ Do they provide photometric files (IES)?
✔ Do they have experience in large-scale projects?
✔ Are their optical quality professional?
✔ Do they support DALI / 0–10V / DMX / Bluetooth?
✔ Do they offer custom or OEM/ODM solutions?
✔ Do they have stable, scalable production capabilities?
✔ Can they provide model and on-site coordination services?
✔ Are their luminaires certified (UL/ETL/DLC/CE)?
✔ Do they offer lifecycle support and spare parts?
Architects and developers can use this list to compare products from various manufacturers.