1. Business model: Chow Tai Fook has many franchise stores in the Mainland, which is prone to uneven quality and service. Zhou Shengsheng is produced by brand factories and sold by brand direct stores.

2. Product category: Chow Tai Fook is mature and stable, with a wide variety, novel and unique styles and extremely fast customization. The style of mainland Zhou Shengsheng is average, but it has a strong sense of design.

3. After-sales service: Chow Tai Fook supports free genuine inspection and free cleaning, and provides free lifelong after-sales service, such as ring adjustment and beading. Zhou Shengsheng provides free services such as cleaning, polishing, shaping and life-long maintenance of fixed stones, and can also exchange old ones for new ones. Non-quality damage can also be repaired without maintenance fee.