How to go Jinchuan, Aba from Chengdu?

1. From Chengdu to Jinchuan, you can take direct long-distance bus from Chadianzi Bus Station. I remember that the schedules are 06:50 and 07:30. The ticket fare is CNY 165 per person. But some people say that the buses don't operate every day. So you'd better to check it again before leaving.
2. To Danba, you can take coach from Jinchuan Bus Station. The bus only departs at 08:30 every day. The ticket fare is CNY 23 per person.