Agent salt to make money. Salt is a necessary seasoning and food additive in people's daily lives. Whether it is for home use or commercial catering industry, the demand for salt is continuous. Therefore, agent salt can meet the basic demand for salt in the market and create high profits. Salt is a common inorganic compound with the chemical formula NaCl, consisting of sodium and chloride ions. It appears in the form of white crystals and has a distinctive salty flavor.