catering industry and food processing industry.

1. In the catering industry, restaurants with seafood as the main ingredient include middle and high-grade restaurants such as seafood restaurants and seafood bars, and middle and low-grade restaurants such as night stalls and food stalls. At the same time, seafood wholesale and retail also belongs to the category of catering industry.

2. In the food processing industry, seafood processing plants include seafood processing plants and aquatic products processing plants, which process and treat seafood. In addition, the seafood wholesale market is also a part of the food processing industry, mainly engaged in the wholesale and trading of seafood.