Is there a car from Lanzhou to play Ruoergai Grassland attractions to Jiuzhaigou?

There is a direct bus from Lanzhou to Jiuzhaigou, passing Ruoergai County, you can get off at Ruoergai, visit Huahu Lake, the first bend of the Yellow River in Jiuqu, Hongyuan Prairie, and go to Jiuzhaigou after the tour. Ruoergai does not have a bus to Jiuzhaigou, only to Take the bus from Songpan County or Chuanzhu Temple, and take a bus from Chuanzhu Temple and Songpan to Jiuzhaigou. If you want to visit Hongyuan Grassland, you can take a bus from Hongyuan County Bus Station to Jiuzhaigou.