2, it is formal, gold jewelry is real, don't worry. Generally, gold jewelry on the market is supervised by formal state agencies, so you don't have to worry about buying fakes when you buy jewelry in Jinshengda. Purity depends on different prices.
3. As a century-old brand, Jin has no fakes, and every piece of jewelry of Jin's family has a certificate of approval. There is no need to worry about buying fakes in Jin.