According to public information, coarse salt belongs to the food type. The food type is available at the place where the food type is available, and the place where Shijiazhuang belongs to the food type is No. 18 Factory Building, North of Zhao Village, Liucun Township, Hi-tech Zone.

Crude salt is crystallized from seawater or salt water from salt wells, salt ponds, and salt springs by frying and sunlight, i.e., natural salt, which is unprocessed, large-grained salt, with the main ingredient of sodium chloride, but due to the presence of impurities such as magnesium chloride and other impurities, which are more susceptible to deliquescence in the air, and therefore humidity should be taken into account when storing it.