How to make salt in Laoting Daqinghe Salt Field

Seawater from the sea should be introduced into the salt field.

1. Expose to the sun and evaporate the seawater in the salt field. When the concentration reaches a certain level, it will crystallize, so that crude salt can be obtained after simple production.

2. The crude salt obtained after evaporation is dissolved, precipitated, filtered and evaporated to obtain refined salt.

3. Add other elements according to the actual situation.