The knot jewelry sold in Lianyungang, Jiangsu Province is real. Jewelry bought in Lianyungang's regular shopping malls is reliable, and regular jewelry stores have regular purchase channels. In addition, they pay more attention to the reputation and prestige of jewelry stores in jewelry management and will not sell fake jewelry. If they sell fake jewelry, it will be tantamount to self-destruction, and the loss will outweigh the gain.