Mainly used in dry battery, storage battery, ammonium salt, tanning leather, electroplating, precision casting, medicine, photography, electrode, adhesive, yeast nourishment and dough improvers, etc. Ammonium chloride referred to as "ammonium chloride", also known as halogen sand, is an effective nitrogen chemical fertilizer, nitrogen content of 24%~25%, is a physiological acid fertilizer. It is suitable for wheat, rice, corn, rape and other crops, especially cotton and flax crops have the effect of enhancing fiber toughness and tensile strength and improving quality. However, due to the nature of ammonium chloride and if it is not applied in the right way, it often brings some adverse effects on soil and crops. Ammonium nitrate is generally used.