1, used as jewelry decoration: gold as jewelry decoration not only shows the symbol of personal social status and wealth, but also has stability and biocompatibility, which is suitable for the dental field and has become the object sought after by many people.
2. Used as an international reserve: As an international reserve, gold has important economic and monetary significance. The monetary nature of gold enables it to be used as an international reserve to maintain the balance of payments and basic international payments.
3. Used in electronic industry: Gold has good machinability and can be drawn into filaments with a diameter of several microns. In addition, gold and its alloys are widely used as electrical contact materials, resistance materials, welding materials, temperature measuring materials and thick film pastes because of their good electrical conductivity, oxidation resistance and corrosion resistance.