As far as I know, Leofoo, Chow Tai Fook, Zhou Dasheng and Zhou Shengsheng are all well-known jewelry brands in China, and all of them are mainly engaged in gold ornaments and jewelry, which is a competitive relationship. Among them, Leofoo emphasized the integration of tradition and modernity; Chow Tai Fook pays attention to design and quality; Zhou Dasheng specializes in producing diamond products; Zhou Shengsheng specializes in gold jewelry.