聚杰微纤：固态电池膜进入小规模送样阶段 尚未批量生产和产生实质性销售

Group 1 - The core viewpoint of the article is that 聚杰微纤 (Jujie Microfiber) is currently in the small-scale sample delivery phase for its solid-state battery membrane, with no mass production or substantial sales yet [1] Group 2 - The company is identified by its stock code 300819 and is listed on the Shenzhen Stock Exchange [1]