Both Ya'an tea and Mabian tea are well-known to a certain extent, but they may have different focuses in different aspects.

Ya'an tea is represented by Mengding Mountain tea, which has a long history and profound cultural heritage. Mengding Mountain tea has a high reputation in the tea industry and is relatively well-known.

Mabian tea also has its own characteristics and advantages, and it has also attracted attention in certain areas.

However, the degree of "fame" may vary depending on factors such as region and consumer perception, so it is difficult to simply compare which one is more famous.