There are also several sets of chains to sell together. Necklaces and pendants used to be popular and sold separately. The advantage is that you can choose and match at will. In recent years, with the rise of gold chain. That is, the necklace and pendant are integrated and cannot be separated separately. In that case, it can't be sold separately. Chain home is more sought after by young people. They can be sold with various chains and pendants. There is another style, 9,999 gold chains. It means that the necklace and pendant are integrated and cannot be separated. This kind will be sold together.