In fact, there are only two: one is Zhou Shengsheng and the other is Chow Tai Fook. Other Leofoo, Luk Fook Jewellery, and Zhou Dasheng are in a mess, which is equivalent to imitating KFC's Mackenzie chicken and so on. The industrial and commercial bureau only needs 2000 yuan to register a trademark. Think about it. Let me give you a suggestion. Either buy the best or the cheapest one without a brand. Don't buy those big brands that are not expensive.