1. Winning number Jewelry: As a jewelry brand with many years of history, it has strict standards and procedures for controlling the purity of gold. Adopt advanced purification technology to ensure that the purity of each gold product reaches the national standard. In addition, Winsome also pays attention to product design and technology, and is committed to providing consumers with high-quality and fashionable jewelry.

2. Lao Fengxiang: It is a jewelry brand with a history of 100 years, which is famous for its exquisite craftsmanship and high-quality products. In terms of gold purity, Lao Fengxiang also follows national standards and passes strict quality inspection to ensure that the purity of each product meets the requirements.