Core Viewpoint - The strategic cooperation framework agreement between Changsheng Technology and Shandong Boyuan Pharmaceutical Chemical Co., Ltd. aims to establish a long-term and stable partnership in the field of solid-state lithium battery materials technology development and product supply [1] Group 1: Strategic Cooperation - The agreement was signed on October 15, 2025, and focuses on collaboration in solid-state lithium battery materials technology [1] - Both parties will leverage Changsheng Technology's expertise in sulfide electrolyte preparation and Boyuan's advanced lithium iodide processing capabilities to develop new solid-state electrolyte products with high ionic conductivity and interface stability [1] - The collaboration includes sharing research and development platforms and forming technical teams to enhance technology iteration and customer integration in the sulfide-lithium iodide system [1]