Totally possible. Here are some specific ways of cooperation, you can refer to one or two:

Cooperation with hotels, tourism companies: You can cooperate with local hotels, tourism companies, to provide them with quality seafood catering services, to attract more tourists come to taste.

Cooperation with fresh food supermarkets: You can cooperate with local fresh food supermarkets to provide them with fresh seafood products, and at the same time set up a seafood restaurant display area in the supermarket to attract more consumers to taste.

Cooperation with online platforms: You can cooperate with local online platforms to put seafood restaurant dishes on the shelves and sell them through online platforms to attract more consumers.

Cooperation with other catering brands: You can cooperate with other catering brands for cross-border cooperation and launch joint dishes to attract more consumers to taste.

Cooperation with community organizations: You can cooperate with local community organizations to provide them with preferential seafood catering services to attract more community residents to taste.

In short, after joining the seafood restaurant can cooperate with other industries, through a variety of channels to expand the source of customers and sales channels, increase brand awareness and sales.