As far as China is concerned, companies that rely on their own marine resources and focus on fucoidan raw materials, including Shandong Jiejing, Qingdao Yueming seaweed, Beijing Lilei, Beijing Lvjinke, Beijing Lantian Dadi, etc., all have the production technology and technology of fucoidan. Among them, Qingdao Yueming seaweed group has obtained 20 19 fucoidan food production license, and the fucoidan compound liquid produced by Qingdao Yueming seaweed group has also been listed as the end product.