经纬辉开：海文科技主要产品为触控传感器功能片

Group 1 - The core viewpoint of the article is that Jingwei Hirain has announced that its main product is the touch sensor functional chip [2] Group 2 - Jingwei Hirain released an announcement on September 12, indicating its response to inquiries from researchers [2] - The company specifically highlighted that Haiwen Technology's primary product is the touch sensor functional chip [2]