The Hailun piano company has released three videos recorded at NAMM in January 2019. They feature the executive vide-president of Hailun USA, Joe DeFio, and Canadian pianist and teacher, Linda Gould.
You can see the videos here:
https://www.youtube.com/playlist?list=PLHBn-VaaOCGcLBjxHVt-UNzsqz-xaOl0s