Enpack(SZ:002846)2025-11-19 09:44Project Overview - Guangdong Yinglian Packaging Co., Ltd. is investing in a new project for lithium battery composite aluminum and copper foil in Jiangsu Province, with a total planned investment of RMB 30.89 billion [3] - The project includes the construction of 10 composite aluminum foil and 134 composite copper foil production lines, with an expected annual production capacity of 100 million square meters of composite aluminum foil and 500 million square meters of composite copper foil [3] Recent Developments - A strategic procurement contract was signed with a new energy technology company for over 50 million square meters of composite aluminum foil materials for quasi-solid-state batteries, with planned purchases of 20 million square meters in 2026 and over 30 million square meters in 2027 [4][6] - The estimated contract value is between RMB 300 million to 400 million, with a projected gross margin that is considered favorable [6] Production Capacity and Technology - As of September 2023, Jiangsu Yinglian has signed a contract to procure 10 production lines from Japan for composite aluminum foil, with an expected annual capacity of 50 million square meters [9] - The company is developing lithium metal anode materials and specialized composite copper foil for sulfide solid-state batteries, with ongoing tests and feedback from leading automotive and battery companies [12][13] Industry Trends and Customer Focus - The solid-state battery industry is accelerating due to government policies and support, with customers focusing on product performance and cost reduction as industrialization progresses [8] - The composite aluminum foil is being recognized as a preferred material for solid-state batteries, with increasing interest from leading companies in the sector [8] Applications and Innovations - The composite aluminum foil can be used across various battery types (liquid, semi-solid, solid) due to similar processes, allowing for interchangeable use [10] - The company is also exploring the development of lithium alloy materials based on customer needs, with faster progress in collaboration with leading clients [14]