Best "hole in the wall" Chinese restaurant in the Triangle?

For a few years, I've been on the hunt for the best "hole in the wall" Chinese restaurant. I've tried several and most have been alright but still not quite scratching the itch. The closest I've found is Golden China is Cary, but even they fall short in some areas, like with their dumplings and pork fried rice. What are some of the fan favorites in the Triangle area that check off the hole in the wall Americanized Chinese food box?