Not universal. Every brand has its own members. Zhou Dasheng and Lao Fengxiang are not omnipotent. Zhou Dasheng and Lao Fengxiang belong to two different gold brands. Zhou Dasheng's membership system belongs to the hierarchical membership model, and Lao Fengxiang is the membership discount model. Chow Tai Sang Jewelry Co., Ltd. is mainly engaged in the design, production, brand operation and chain operation of Zhou Dasheng brand jewelry. Lao Fengxiang is a century-old national brand and a famous jewelry brand in China.