Sanyi is good.

1. It was selected as the best piano in the world's piano competition conducted by the authoritative French magazines "Le Monde" and Diapason magazine. In April 2006, it became the only piano in South Korea selected by the music trade. One of the top 4 piano manufacturers in the truly global industry selected by the magazine.

2. The manufacturing technology of Yongchang pianos is relatively old, and Yongchang pianos have basically disappeared from the market.