Hongfa Seafood Wholesale. Pu'er City, also known as Simao, is a prefecture-level city in Yunnan Province, located in the southwestern part of Yunnan Province, with jurisdiction over 1 district and 9 counties. Puer City Hongfa Seafood Wholesale Market sells yellow chili ding fish fry. Yellow chili ding also known as yellow public spirit, yellow bullock head, ang public fish, etc., for the family of Luridae, Pelteobagrus fulvidraco genus of a freshwater fish.