Sign Up
Green Tech for a Shared Future
Learn More
Back Contact(BC) Solar Technology Development White Paper
At the key node of intergenerational transition of global Photovoltaic (PV) technology, the back contact (BC) cell technology is leading the new-generation PV technology paradigm revolution, becoming the core engine to drive industry cost reductionand efficiency improvement and realize energy transition.
Learn More

Vertically Integrated Solar PV Value Chain

LONGi’s technological and manufacturing leadership in solar wafers, cells and modules underscores our commitment to helping accelerate the clean energy transition. By offering high-quality, reliable products and systems, we provide holistic solutions for the solar and renewables industry.
A full range of wafer products can meet the requirements of different solar cell technology routes, and high-quality wafers can provide superior performance, that keep us far ahead in the market.
Learn More

Backed by advanced technologies, our modules feature excellent power ratings and top conversion efficiencies, and can be used across all market segments. Our field-proven bifacial modules deliver added performance benefits and long-term reliability.

Learn More
LONGi is more than a product supplier, offering project consultation, design, installation, procurement, commissioning, operation and maintenance, and financing expertise.
Learn More

Technology
Innovation

Subscribe

Continuously Consolidate the Innovative Achievements of the "Double Champion"

LONGi’s network of R&D centers focuses on solar wafer, cell, module and solutions technologies. Our strategic partnerships strengthen the cooperation among enterprises, universities and research institutes.

Learn more

LONGi R&D Centers

LONGi’s network of R&D centers focuses on solar wafer, cell, module and solutions technologies. Our strategic partnerships strengthen the cooperation among enterprises, universities and research institutes.

Learn more

LONGi Lifecycle Quality

Customer value is at the core of LONGi’s philosophy, and our life-cycle quality approach can be found in every link of product production and application from component design to mass production and after-sales support, to ensure the highest quality, reliability and performance for our customers.

Learn more
Researchers
1000
Billion 2024 R&D
5.014
items Patents
3342
N-HJT Efficiency
26.81 %

LONGi PV Solutions

LONGi is a world leader in the clean energy transition. We provide a comprehensive suite of solar PV solutions that can optimize a wide range of project applications.

Utility-Scale Solar

Renewable Power Plants
Learn more

Commercial & Industrial

Ready for Business
Learn more

Residential

Building Beautiful Neighborhoods
Learn more

Hydrogen

Green Power + Green Hydrogen = Green Earth
Learn more

Environmental, Social and Corporate Governance

The LONGi team is committed to providing innovative products and solutions that help make the world a healthier, safer and more sustainable place. We value our role in the global business community and honor our obligation to pursue the highest standards of environmental, social and corporate governance.
Learn More
Scroll to Top