1. Aquatic products rich in calcium contain a wide range of calcium, especially shrimp skin.

2. Iron-rich products mainly include kelp, laver, Undaria pinnatifida, laver, cow hair, fish liver and so on.

3. There are mainly oysters, starfish, trowels, kelp, laver, mussels, sea sausages and so on.

4. The main iodine-rich products are kelp, laver, codonopsis pilosula, sea cucumber, jellyfish, scallop, mussel, marine fish, shrimp, crab and conch.

5. Selenium enrichment mainly includes marine fish, shellfish, crab meat, crayfish, conch, starfish seeds, etc.

6. Manganese is mainly found in fish eggs, fish eggs, crab meat, crayfish and starfish seeds.

7. There are conch, shrimp, Meretrix meretrix, Meretrix meretrix, razor clam and so on.

8. Diamonds are mainly fish seeds, fish eggs, crab meat, crab clams, starfish seeds and sardines.