每经AI快讯，有投资者在投资者互动平台提问：请问公司还在建设未投产的锂电池薄膜生产线还有哪 些？大概建设产能是多少？大概建设到什么程度了？大概预计什么时候投产？ （记者 王晓波） 沧州明珠（002108.SZ）2月26日在投资者互动平台表示，目前公司隔膜产品在建项目有"年产5亿平方米 干法锂离子电池隔膜项目"和"年产12亿平方米湿法锂离子电池隔膜项目"，其中"年产5亿平方米干法锂 离子电池隔膜项目"中的两条生产线已经投产，两条生产线年设计产能为2亿平方米。上述在建项目中除 投产的两条干法隔膜生产线外，其他均尚在建设实施中，如上述项目有投产等相关信息，公司将及时进 行项目进展情况的披露，请您届时关注公司相关公告。 ...

格隆汇2月26日丨沧州明珠(002108.SZ)在投资者互动平台表示，目前公司隔膜产品在建项目有"年产5亿 平方米干法锂离子电池隔膜项目"和"年产12亿平方米湿法锂离子电池隔膜项目"，其中"年产5亿平方米 干法锂离子电池隔膜项目"中的两条生产线已经投产，两条生产线年设计产能为2亿平方米。上述在建项 目中除投产的两条干法隔膜生产线外，其他均尚在建设实施中，如上述项目有投产等相关信息，公司将 及时进行项目进展情况的披露。 ...

Core Viewpoint - The company has successfully completed the commissioning and trial production of two BOPA film production lines, with a designed annual capacity of 38,000 tons, marking the full operation of its fundraising investment projects [1] Production Capacity Expansion - The "Annual Production of 38,000 Tons High Barrier Nylon Film Project" implemented by Donghong Membrane has completed equipment debugging and has officially commenced production [1] - The company has also initiated production in one production line of the "Annual Production of 200 Million Square Meters Wet Lithium-ion Battery Separator Project" in Wuhu, with a designed annual capacity of 100 million square meters [1] - In the "Annual Production of 500 Million Square Meters Dry Lithium-ion Battery Separator Project" in Cangzhou, two production lines have commenced production, with a combined designed annual capacity of 200 million square meters [1] Market Position and Competitiveness - The commencement of production for the BOPA film and lithium-ion battery separator production lines is expected to enhance the company's production capacity, thereby increasing its market share and product competitiveness [1]

Core Insights - Cangzhou Mingzhu announced on November 3 that several investment projects have been completed and officially put into production [2] Group 1: Production Projects - The "Annual Production of 38,000 Tons High Barrier Nylon Film Project" implemented by Cangzhou Donghong Membrane Technology Co., Ltd. has completed equipment debugging and trial production, with two BOPA film production lines officially in operation as of October 31, 2025 [2] - All fundraising investment projects related to the company have now been put into production [2] Group 2: Lithium Battery Separator Expansion - The "Annual Production of 200 Million Square Meters Wet Lithium-Ion Battery Separator Project" by subsidiary Wuhu Mingzhu Separator Technology Co., Ltd. has seen one production line with an annual design capacity of 100 million square meters put into operation [2] - The "Annual Production of 500 Million Square Meters Dry Lithium-Ion Battery Separator Project" by subsidiary Cangzhou Mingzhu Lithium Separator Co., Ltd. has two production lines with a combined annual design capacity of 200 million square meters now in operation [2] - The launch of the BOPA film and lithium-ion battery separator production lines will significantly enhance the company's production capacity, helping to further increase market share and overall competitiveness [2]