High grade fine salt-making product has high-purity 1. High grade fine salt-making product has high-purity, the gloss outward appearance, the good free fluidity, stable including the iodine quantity.2. Low loss, NaCL loses in 10% below3. Low energy consumption4. Simplify operation lowly and services5. To pass through the commercialization production proofThe “four-times-washing and three-times- ...