Yangquan City is located in Shanxi Province, not a seafood producing area, so seafood is not a special food of Yangquan. But if you want to taste seafood in Yangquan, here are several places to consider:

1. Yangquan Seafood Market: In Yangquan, there is a large seafood market where you can buy all kinds of fresh seafood, such as crabs, shrimps and shellfish. Here, you can choose to let the merchants process and cook for you, or you can buy your own cooking.

2. Hotels: There are many hotels in Yangquan City that offer seafood dishes, and some of them are well cooked. You can choose to go to some restaurants with good reputation to taste seafood, such as Yangquan Hotel, Huangcheng Mama, Jiutianjia Black Bull Barbecue and so on.

3. Buffet: Some cafeterias in Yangquan provide seafood buffets, such as Shirley International Hotel and Happy Hometown Hot Pot. You can taste all kinds of seafood dishes in these cafeterias.

Although Yangquan is not a seafood producing area, you can still find some good seafood dishes in Yangquan. I suggest you go to the seafood market or restaurant to taste seafood, or choose the seafood buffet in the cafeteria.