东威科技：目前公司光伏设备产品用于HJT电池

Group 1 - The core viewpoint of the article is that Dongwei Technology currently focuses on photovoltaic equipment for HJT batteries and does not involve equipment for TOPCon and perovskite batteries [1] Group 2 - Dongwei Technology responded to investor inquiries on an interactive platform regarding its product offerings [1] - The company is actively engaged in the photovoltaic sector, specifically targeting HJT technology [1] - There is no current involvement in the development or production of equipment for TOPCon and perovskite battery technologies [1]