Enchanted gardens is better. Mengjinyuan Wanchunjin 9999 is produced by solder-free welding technology, without adding solder, which is environmentally friendly, value-preserving and non-discoloring. Each piece of jewelry has a unique identification code, and the raw material comes from Shanghai Gold Exchange, which is not pure enough, so it has many advantages, such as winning the first prize and changing to a new model every year.