Famous domestic brands cannot meet their own processing plants, so they all have contract processing plants, such as China Gold, Laomiao, Lao Fengxiang, etc. YF is the manufacturer's code. Although it is contract processing, the quality is absolutely Reliable, a hundred times better than those no-name brands. In order to control quality, China Gold has signed an agreement with the National Jewelry Quality Supervision and Inspection Center. Each product is inspected by China Gold to ensure quality. After passing the inspection, a label is printed on the jewelry. This is unique in the domestic jewelry industry. Therefore, the quality of Chinese gold jewelry is absolutely reliable