Crystal keychain is a delicate and small daily necessity with ever-changing shapes. It can not only be hung on a key ring as a decoration, but also show one's mood, personality and taste. Crystal keychain, also known as crystal keychain, key ring, key chain or key hanging, is made of metal, crystal, leather, plastic, wood, etc. It has various designs, including cartoon shapes, brand shapes, simulation models, etc., and the materials include crystal, copper, aluminum, rubber, plastic, etc. Modern ones are mainly rust-proof elements such as nickel or rhodium plating on the surface of zinc alloy.

Crystal keychain is not only a practical daily necessity, but also often used as a small gift to give to friends or yourself to express a special feeling. In the market, crystal keychains have various styles and materials, such as the unique design of combining shells and crystals, diamond-shaped crystal keychains, and crystal keychains with various cartoon images, to meet the needs and preferences of different consumers.