Does the subject want to ask "which aquatic products need to take the cold chain in circulation"? Fresh frozen aquatic products, processed aquatic products, live water products.

1. Fresh frozen aquatic products: Fresh frozen aquatic products need cold chain logistics to ensure constant temperature during the whole circulation and prevent products from deteriorating.

2. Processing aquatic products: Processing aquatic products, such as fish balls and fish cakes, also requires cold chain logistics to ensure product quality and safety.

3. Living water products: Living water products, such as live fish and shrimp, need cold chain logistics to ensure proper temperature in the whole circulation process and prevent products from dying or deteriorating.