Yes, Laibo Musical Instrument Store and Goya Musical Instrument Store are more famous. Of course, it's very well repaired. Just search the address online, thinking there are many stores. You can go anywhere you think is closest to your home. Hmm ~ ~ Last time I went to repair the air leak, I thought it was because of the sponge under your key, so I needed to change the sponge. The key is loose. It should be a screw. That's not very important. It may add up to 200. He will help you maintain it if you send it.