On 30 June 2021, the China International Marine Containers (Group) Co., Ltd. and Yantai Guofeng Investment Holdings Group Co., Ltd. ("Yantai Guofeng Group") entered into the Strategic Cooperation Agreement between Yantai Guofeng Investment Holdings Group Co., Ltd. and China International Marine Containers (Group) Co., Ltd. on Joint Establishment of a Lead Platform for Development of Deep-sea Industry (the "Strategic Cooperation Agreement"). Both parties intend to integrate high-quality assets, to jointly promote the development of deep-sea industry (the "Strategic Cooperation").