I love, love, love this place! Have been about four times in the past month. I love that you can choose from six different noodle types (my favourite are the fat, flat noodles) and the soup is really fragrant - you can really taste the cloves and Sichuan pepper in every spoonful.. yummy!
http://bossyflossie.com/tongue-tip-lanzhou-beef-noodle/