1. Can be used as raw materials to manufacture dry batteries and storage batteries, other ammonium salts, electroplating additives, and metal welding fluxes;
2. Used as a dyeing auxiliary, and also used in tin plating and galvanizing, tanning, medicine, candle making, adhesives, chromium infiltration, and precision casting;
3. Used in medicine, dry batteries, fabric printing and dyeing, and detergents;