1. Used as liquid ammonia stabilizer in refrigeration equipment, rocket propellant, oxidant in pyrotechnic manufacturing, glass etching agent, antistatic agent, molten salt component in metallurgical industry, etc. 2. Used as analytical reagent, dissolving and cooling agent, also used in the manufacture of phosphor. 3. Used in ceramics. Fireworks manufacturing. Molten salt bath. Rocket propellant. freezer. Analysis reagents. 4. Used in the manufacture of phosphors, heat exchange carriers, and other lithium salts. 5. Used as liquid ammonia stabilizer, molten salt component, etc. 6. Mainly used in the electroplating industry, used to make nickel batteries, organic synthesis and production of hardened oil as a catalyst for paint, make other nickel salt raw materials, used for metal coloring, and vat dye mordant.