LONGi Sustainable Development Philosophy
LONGi adheres to its "LIGHT Sustainability Philosophy", which is composed of five elements: Lead, Innovation, Green, Harmonious, Trustworthy. The company deeply integrates its strategy with the United Nations 2030 Sustainable Development Goals, resolutely pursuing the path of sustainable development.
35.5%! LONGi Once Again Breaks World Record for Crystalline Silicon-Perovskite Tandem Solar Cell Efficiency
July 14, 2026 – At the 2026 Solar and Energy Storage Innovation Conference, LONGi officially announced that its independently developed crystalline silicon-perovskite tandem solar cell has achieved a conversion efficiency of 35.5%, certified by the European Solar Test Installation (ESTI), once again setting a new world record.
https://www.longi.com/en/news/crystalline-silicon-perovskite-tandem-soExploring the Future of Photovoltaics Together, Fulfilling the Green Energy Pact
Recently, international student delegations from The University of British Columbia (UBC) and Xi’an Jiaotong University visited LONGi for an immersive cross-cultural exchange experience.Bringing together young talents from countries around the world, the program offered participants a close-up look at China's cutting-edge photovoltaic technologies and the rapid development of the renewable energy industry. Through on-site visits and in-depth interactions, the students gained firsthand insight into the innovation and momentum driving China's solar energy sector.