百洋股份：公司在海南布局有海南佳德信食品、海南百洋水产食品、海南百洋饲料等核心子公司

Group 1 - The company has established a presence in Hainan with core subsidiaries including Hainan Jiadexin Food, Hainan Baiyang Aquatic Food, and Hainan Baiyang Feed, covering aquatic food processing and feed production [2] - Hainan Jiadexin Food and Hainan Baiyang Aquatic Food are classified as encouraged industries in the free trade port, benefiting from a 15% corporate income tax reduction [2] - Hainan Baiyang Feed, recognized as a high-tech enterprise, also qualifies for the 15% corporate income tax reduction and related supportive policies [2] Group 2 - The company has a low proportion of imported raw materials and equipment, and after Hainan's customs closure, there are no significant new incentives available for its subsidiaries in Hainan [2]