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About Us

We are committed to being the most valuable solar technology company in the world.

Green Future
Founded in 2000, LONGi Green Energy Technology Co., Ltd. (LONGi) is committed to being the most valuable solar technology company in the world. Under the mission of "To make the best of solar energy to build a green world" with a brand positioning of "The most trusted, reliable solar company that blazes the trail for green technology,"LONGi is developing solutions for large-scale power plants, for different industries and households with its innovation-focused development. Eventually, we will also supply "Green Power + Green Hydrogen" solutions for global zero-carbon development.
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Our History
LONGi Milestones
¥ 128.998
< Billion >
Global Employees
< Employees >
Fortune China 500
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< Rank>
*Data by: April 30, 2023
Robust and Reliable
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Robust and Reliable
China's Solar Enterprise
First <>
China's Energy and Chemical Manufacturing Industry
Eighth < >
Brand Value
¥61.416 < Billion >
Data by: May 15, 2023
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The Firm Rated as AAA for its Module Bankability Ratings for 7 consecutive times
Resource:PV Tech
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Rated as 100 Percent "Bankable" Solar Module Brand by BNEF for 3 consecutive times
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Obtained Highest Altman-Z Score Among PV Companies Worldwide
Technology and Innovation
*Data by: April 30th, 2023
< Items >
Granted Patents
< Billion>
R&D Investment
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RCZ Technology

LONGi’s RCZ silicon crystal-growing technology is widely used in the solar industry and features large charging capacity, high-speed crystal growth , and multiple loading capabilities.

Crystal Growing
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Diamond Wire Wafer-Slicing Technology

A key technology driver in volume PV wafer production, LONGi’s diamond wire wafer-slicing technology has resulted in savings of at least ¥30 billion in annual production costs across the entire industry.


PERC Cell Technology

Our PERC solar cell technology solved the initial degradation issues that monocrystalline silicon products faced for years, and has accelerated cell efficiencies dramatically.


Bifacial Technology

The efficiency of our PERC cell modules continues to set new world records, with shipments and market share growing year by year.

Into the Future
Solar for Solar
LONGi supports the "Solar for Solar" business model. While creating low-cost clean energy products for the world, the company uses clean energy and green manufacturing practices in its operations whenever possible. Since 2015, LONGi has located its operations in Yunnan, China, and Kuching, Malaysia, to utilize the abundant local hydropower resources to provide clean energy for its facilities. LONGi plans to integrate solar power plants with pumped storage in areas that feature significant elevation differences and abundant sunlight, creating an industrial model for using solar.
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