There is no direct relationship between Zhou Dasheng, Zhou Shengsheng and Chow Tai Fook. They are all well-known jewelry brands. Zhou Dasheng and Zhou Shengsheng focus on the design, production and sales of jewelry, winning the trust of consumers with exquisite craftsmanship and excellent service. Chow Tai Fook is a well-known jewelry brand in Hong Kong and the world, with a wide range of products, including diamonds and jadeite.