Where to buy Loong Kong Chicken

My aunt loves this chicken, but she was unable to find any in the East bay area where she lives. I am going to San Francisco for a day or two and want to bring a few back to her. For the record I am talking about the raw, frozen in a bag kind, not cooked by a restaurant. She prefers to cook it herself so I will be checking out some butcher shops or grocery stores, but if anyone in SF or the East bay has seen this chicken please let me know to narrow my search. If you don't know what I am talking about, you can google "loong kong chicken" and there will be pictures with a logo.

https://www.fvsp.ca/product/loong-kon...
http://bcchicken.ca/wp-content/upload...

According to older posts, I should check out "King's Poultry and Produce" on Broadway, "Hing Lung" on Stockton, and some 99 Ranches have them apparently. The one in Concord does not, as it is the one we go to most frequently, but apparently Sacramento has some?

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