Chow Tai Fook, Zhou Shengsheng, Luk Fook Jewelry and Lao Fengxiang.

1, Chow Tai Fook is a famous jewelry brand in Hong Kong, with several direct stores.

2. Zhou Shengsheng is a well-known jewelry brand in China, with many direct stores.

3. Luk Fook Jewelry is a famous jewelry brand in Chinese mainland, which has several direct stores.

4. Laofengxiang is a traditional jewelry brand in Chinese mainland, with several direct stores.