It depends on where it is tested. If it is a chain inspection department, such as the quality inspection of Peking University, it usually takes 20 days to get to 50 yuan. If the quantity exceeds 100, you can get 5 A certificates. The inspection cost of jewelry distribution center is relatively cheap.

If it is not the quality supervision department of the local government of the jewelry distribution center, such as the jewelry quality inspection station in XX city or XX province, the inspection fee here generally ranges from 50 to 300. State departments do not participate in market competition, so the price is naturally more expensive, but more authoritative. But the test content is similar.