截至本公告披露日，公司在芜湖投资建设的由芜湖隔膜负责实施的"年产2亿平方米湿法锂离子电池隔膜 项目"中的一条生产线已经投产，该条生产线年设计产能1亿平方米；公司在沧州投资建设的由明珠锂电 负责实施的"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2亿平方米。上述BOPA薄膜及锂离子电池隔膜生产线的投产将提高公司BOPA薄膜和锂离子电池隔膜 产品的产能，进一步提升产品市场占有率和产品竞争力。 格隆汇11月3日丨沧州明珠(002108.SZ)公布，截至2025年10月31日，由东鸿制膜负责实施的"年产38,000 吨高阻隔尼龙薄膜项目"两条BOPA薄膜生产线相关设备调试完毕，完成了试生产，现已开始正式投产, 两条生产线年设计产能38,000吨。至此，公司募集资金投资项目已全部投产。 ...

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]