Group 1 - The core viewpoint of the article is that 隆华科技 (Longhua Technology) is collaborating with several mainstream photovoltaic companies to develop and research perovskite solar cells, achieving certain results [1]. Group 2 - The company has received inquiries regarding the specific requirements for perovskite space battery target materials, which need to meet high purity (99.999%), high density (≥95%), and low resistance [3]. - There is mention of foreign companies developing long strip target materials suitable for roll-to-roll processes, with lengths reaching up to 3 meters [3]. - The company is questioned about its collaborations with relevant enterprises if perovskite space batteries prove to be superior to gallium arsenide triple-junction batteries [3].