1. In terms of gold purity style, Mengjinyuan is more popular than Li Anqi. Mengjinyuan pioneered the patented technology of solderless welding in the industry, which improved the purity of gold.
2. In terms of production technology, the jewelry production technology of Mengjinyuan is superior to that of Li Anqi. The production technology of Mengjinyuan is the third batch of provincial intangible cultural heritage projects in Shandong Province, and its brand founder Wang Zhongshan is also a representative inheritor of the intangible cultural heritage projects of Jinyin Seiko.