Profile of LONGi Green Energy Technology Co., Ltd.

Founded in 2000, LONGi Green Energy Technology Co., Ltd. (LONGi, Stock Code: 601012.SH) is committed to becoming the most compelling solar technology company by leading the world’s transition to green energy. Guided by our mission— “make the best of solar energy to build a green world”—we uphold a brand promise of “the most trusted, reliable solar company that blazes the trail for green energy”. Focused on technological innovation, LONGi has built a diversified business portfolio, including monocrystalline silicon wafers, solar cells, and modules, distributed generation photovoltaic solutions, utility-scale photovoltaic solutions, green building-integrated solar applications, green hydrogen equipment and solutions. By integrating “Green Electricity” + “Green Hydrogen” capabilities, we provide products and solutions that support the transition to a net-zero future.

As a global leader in the photovoltaic industry, LONGi boasts worldwide supply capabilities, with its business spanning over 160 countries and regions. The company has ranked first in cumulative shipments of monocrystalline silicon wafers globally over the past decade, while its module shipments have consistently secured a top-two position in the past six years. The "LONGi" brand holds a significantly leading influence in the global PV sector. With a strong financial standing, LONGi has received the highest bankability rating from PV ModuleTech for multiple consecutive years, maintaining an industry-leading financial health index. In 2024, the company was honored with the National Science and Technology Progress Award (Second Prize) and the National Technology Invention Award (Second Prize). It has been listed among the Fortune China 500 for nine consecutive years, recognized in the Fortune China Tech 50, and included in the Hurun China 500 for six years running. Additionally, LONGi was named a "China ESG Model" by China Media Group and selected for the 2025 Fortune China ESG Impact List. According to the "2025 China Brand Value Evaluation Report," LONGi's brand value reached RMB 73.48 billion, with a brand strength score of 912, firmly ranking as the No. 1 brand in China's photovoltaic industry.

LONGi has consistently positioned product leadership as the cornerstone of its growth, driving continuous innovation in high-efficiency technologies and spearheading transformation across the solar industry. Backed by its Central Research Institute and multiple national and provincial-level technology centers, the company has built a robust R&D team of over 3,000 professionals. It has fostered an open and collaborative innovation ecosystem in partnership with industry stakeholders across the value chain, leading global universities, and renowned research institutions.

Focusing on photovoltaic and green hydrogen technologies, LONGi has built a high-efficiency R&D system centered around the principle of commercializing current-generation technologies, developing the next, and preparing for future breakthroughs. The company has cultivated strong technological capabilities and has led or contributed to the formulation of over 320 international, national, and industry standards. Between 2020 and 2024, LONGi invested more than RMB 26.8 billion in R&D. As of June 30, 2025, the company holds over 3,500 authorized patents, including 480 related to BC cell and module technologies, underscoring its deep reserves of core technologies and critical manufacturing processes.

LONGi's substantial R&D investments and relentless technological innovations have established its breakthroughs as industry benchmarks, consistently guiding the evolution of the photovoltaic sector. From its steadfast commitment to monocrystalline technology to pioneering RCz technology for faster crystal growth; from popularizing diamond wire cutting—now a standard among Chinese wafer manufacturers—to advancing PERC and bifacial technologies, and now driving the industrialization of BC technology, LONGi has adhered to first-principles thinking to tackle global challenges in PV innovation. The company remains firmly on its mission to reduce levelized cost of electricity (LCOE) across the industry through technological advancements, reinforcing its leadership in sustainable energy solutions.

In recent years, LONGi has pursued innovation-driven development by relentlessly focusing on customer needs and maintaining product leadership. Our groundbreaking TaiRay Silicon Wafer represents the most significant innovation in wafer technology in nearly a decade, while our HPBC 2.0 modules have set a new industry benchmark as the world’s most efficient mass-produced solar products. LONGi has established a comprehensive, scenario-oriented BC product portfolio, pioneering functional modules with anti-dust, anti humidity and heat, anti corrosion, ice-shield, full black, anti-glare, and lightweight solar modules. The company also taken the lead in deploying product solutions for complex scenarios including desert, Gobi, and arid regions, hail disaster scenario, offshore and coastal areas, as well as settings prone to dust and snow accumulation. Additionally, LONGi has introduced commercial and industrial rooftop system solutions like LONGi ROOF 5  and LONGi Hi ROOF S, which incorporate HPBC 2.0 cell technology. The company has also launched LONGi eHome, a one-stop "PV + storage + charging" solution for household green electricity, achieving upgraded integrated solar and construction solutions for multiple scenarios.

While achieving substantial results in mass production technology, LONGi continues to break world records through forward-looking R&D. With authoritative certification from Germany’s ISFH, LONGi’s independently developed HIBC cell achieved a conversion efficiency of 27.81%, a new world record for monocrystalline silicon cell efficiency. Certified by the European Solar Test Installation (ESTI), LONGi’s independently developed crystalline silicon-perovskite tandem solar cell achieved 35% efficiency, again breaking the world record for tandem cells. With these milestones, LONGi has further surpassed its own world records for both single-junction crystalline silicon cells and crystalline silicon-perovskite tandem cells, solidifying its position as the "Dual Champion" in innovation and core technological advancement. Moreover, the company has increased the conversion efficiency of large (260.9 cm²) crystalline silicon-perovskite tandem cells to 33%, setting a new world record for commercial-sized tandem cells and taking a critical step toward industrialization. In module R&D, certified by NREL, LONGi’s BC module efficiency surpassed 26%, pushing the boundaries of crystalline silicon module performance to unprecedented heights.

Product quality is the key to long-term stability and performance of power plants. LONGi has established a full-value-chain quality management system, setting product lifecycle standards that exceed industry benchmarks. From module design and material selection to mass production monitoring and after-sales support, LONGi implements stringent reliability standards to ensure lasting performance. The company’s silicon wafers have earned "IQC Exemption" status from customers, and its modules have received certifications from authoritative organizations such as TÜV, TEC, UL, CQC, JET-PVm, and SII. With notable advantages in efficiency, reliability, and low BOS costs,

With outstanding advantages in high efficiency and reliability, the company has consecutively won the TÜV Rheinland “Quality Excellence China” Award for nine years. Notably, the second-generation BC module Hi-MO 9 earned the “Premium PV Module” Award for its impeccable product quality and flawless power generation performance. LONGi has been recognized as a “Top Performer” in the annual Photovoltaic Module Index (PVMI) by the U.S. Renewable Energy Test Center (RETC) for seven consecutive years and has received the PVEL "Top Performer" Module Manufacturer award eight times in total. Additionally, LONGi became the first company in China’s photovoltaic industry to receive the Nomination Award of the China Quality Award. At the 6th China Quality (Nanjing) Conference, LONGi earned the national-level “International Quality Management Integration Innovation Model Case” award for its deep implementation and outstanding achievements in manufacturing quality management and innovation.

In recent years, LONGi Green Energy has integrated industrial IoT, big data, AI, and digital twins. Its Jiaxing base became the world’s first photovoltaic “Lighthouse + Zero Carbon” factory. With the industry’s first full-process AI quality inspection and 30+ digital use cases, LONGi sets the standard for digital manufacturing and Industry 4.0—scaling these innovations across its global operations to drive smart production and quality control.

While creating green energy for the world, LONGi actively addresses climate change by aligning its corporate strategy with the United Nations 2030 Sustainable Development Goals (SDGs). Guided by its "LIGHT" sustainability philosophy, the company is committed to becoming a global leader in the green energy transition. As the first Chinese PV manufacturer to pass the Science-Based Targets initiative (SBTi) review, LONGi practices its "Solar for Solar" low-carbon production model. In 2024, 47.5% of the Group’s production and operations were powered by renewable electricity, reducing operational carbon emissions by 37% year-on-year. In low-carbon products, LONGi’s silicon wafers, modules, and hydrogen solutions have obtained 53 global carbon footprint certifications, including recognition in France, South Korea, and the International EPD System.

With its long-standing leadership in sustainable development, LONGi has received numerous international ESG ratings and honors. The company achieved a "BBB" rating in MSCI ESG Ratings, securing the highest scores among global semiconductor companies listed on A+H shares and ranking first in the solar industry for key ESG topics. LONGi has also been recognized as the "Industry Mover" by S&P Global CSA and was consecutively listed in the S&P Global Sustainability Yearbook (China Edition) for two years. Additionally, LONGi has demonstrated outstanding performance across other major ESG assessments, including EcoVadis (Gold Medal, top 5%), CDP (A- in Water Security, B in Climate Change), FTSE Russell ESG (3.8 score), CSI ESG Index (AA rating). These achievements underscore LONGi’s role as an industry benchmark and competitive leader in ESG governance.

Guided by the core values of "Reliability, Value-Add, and Fulfillment," LONGi will continue to advance the global adoption of its "Green Electricity + Green Hydrogen" integrated solutions. By accelerating the energy transition and promoting energy equity, LONGi is committed to making affordable clean energy accessible to more people worldwide.