Asia Supermarket does encompass Asian foods and chinaware.The prices are good, the produce is (mostly) good, and the selection is by far the best in Philly's Chinatown. If you want a specific type of soy sauce or chili sauce or bok choy, this is the place to get it.
You will find quail, chicken, and duck eggs. This place really does have all the assortment of goods you need to make Asian cuisine, whether its Chinese, Vietnamese, Japanese, Koreans, or Indonesian(probably more, There is even half an aisle devoted specifically to japanese goods.This place has everything you need for your Asian kitchen. Prices are good and they have a wonderful bakery around the corner with the best Bon Mei ever.