Some styles in Liu Fu jewelry necklaces will adopt welding technology. Welding is a common metal joining method, which fuses metal parts by heating and applying pressure. In the process of making necklaces, metal parts such as chains and pendants can be connected by welding. This connection is generally considered to be firm and reliable, which can ensure the durability and stability of the necklace. Welding will have a certain impact on metal materials, such as changing their appearance or properties. When buying Liu Fu jewelry necklaces, it is recommended to carefully understand the production technology and materials of the products to ensure that they meet personal needs and preferences.