Their R&D team is highly responsive. We requested a specific color temperature for our market, and they produced a flawless prototype within a week. The subsequent mass production was completely smooth.
D*****S
07 Jun 2026 19:30
For high-lumen bulbs, cooling is critical. The copper tube and high-speed fan design they use is very effective. We haven't received a single overheating complaint from our retail network. Solid engineering!