同宇新材：自主开发的高阶碳氢树脂，具有极好的介电性能，已开展中试并送样

Group 1 - The core viewpoint of the article is that Tongyu New Materials (301630.SZ) has developed a high-performance hydrocarbon resin with excellent dielectric properties, which is currently in the customer testing phase after pilot production and sample delivery [1] Group 2 - The company has independently developed the high-performance hydrocarbon resin, indicating a focus on innovation and product development [1] - The resin's dielectric performance is highlighted as a significant feature, suggesting potential applications in various industries [1] - The current status of the product is in the customer testing phase, which is a critical step before full-scale commercialization [1]