If you want something completely authentic, you can purchase the entire setup (equipment, ingredients, DVD instructions) at http://haitao88.com for 880 yuan. (+ shipping) and set up your own jing gao snack stand. Try entering the web address through Google Translator for a quasi-English version.

Here's a recipe for something that looks fairly similar that you can make at home: http://cookeatshare.com/recipes/steam...