According to a query on the top ten brand websites, there are obvious differences between Chongqing noodles and Dandan noodles in the shape, taste and production method of the noodles.

1. Noodle shape: Chongqing noodles are usually thinner noodles, while Dandan noodles are made of slightly thick stick noodles.

2. Taste: There are versions of Chongqing noodles with soup and without soup, but it has leafy vegetables, which is a major feature of it. Dandan noodles are dry noodles with no soup and no leafy vegetables.

3. Production method: The traditional way of making Chongqing noodles is to sell 1liang or 2 liang in a bowl, while Dandan noodles are sold in a bowl. In addition, Dandan noodles need to be seasoned with bean sprouts, while Chongqing noodles do not.