Expansion: As a precious metal, gold is widely used in jewelry, jewelry, art and currency manufacturing industries. Because of its strong ductility, gold can be easily processed into various shapes of jewelry and jewelry, and its color, weight and stability make it a leader in the jewelry industry. In addition, gold is also used to manufacture electronic contact materials, solar panels and other high-tech products in the electronics industry.
In the investment field, gold is considered as one of the most valuable assets, and is usually used as a safe-haven asset to protect investors from risks such as inflation and political turmoil. The currencies issued by many countries use the reserves containing gold as the guarantee of their value. In the pharmaceutical industry, gold is used to treat diseases such as rheumatoid arthritis and cancer, and is called an effective "immune enhancer".