From June 19 to 20, Professor Martin Green, widely regarded as the “father of photovoltaics,” led a delegation from the University of New South Wales (UNSW Sydney) to Huasun Energy’s Xuancheng headquarters. The visit facilitated in-depth discussions on the industrialization of heterojunction (HJT) solar technology, pathways for HJT-perovskite tandem cells, and innovations in vertical PV systems. Dedicated workshops on copper finger processes, edge passivation, and rear-side o