万润股份(002643.SZ)：在电子与显示领域聚酰亚胺单体材料方面，公司已有产品实现批量供应

Core Viewpoint - Wanrun Co., Ltd. has successfully achieved mass supply of polyimide monomer materials in the electronic and display fields, indicating strong progress in its product offerings [1] Group 1: Product Development - The company has successfully supplied TFT polyimide finished materials (orientation agents) and OLED photosensitive polyimide (PSPI) finished materials to downstream panel manufacturers through its subsidiary, March Technology [1] - In addition to display field polyimide finished materials, the company is actively expanding into the thermoplastic polyimide materials sector, including PEI, TPI, and PI-5218, all of which have already been sold [1]