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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.
            Our History
            LONGi Milestones
            ¥ 80.93
            < Billion >
            Global Employees
            < Employees >
            Fortune China 500
            < Rank>
            *Data by: December 31, 2021
            Robust and Reliable
            Robust and Reliable
            China's Solar Enterprise
            1 < No. >
            China's Energy and Chemical Manufacturing Industry
            7 < No. >
            Brand Value
            ¥ 40.22 < Billion >
            Data by: December 31, 2021
            The Only Firm Rated as AAA for its Module Bankability Ratings
            Resource:PV Tech
            Rated as 100 Percent "Bankable" Solar Module Brand by BNEF
            Obtained Highest Altman-Z Score Among PV Companies Worldwide
            Technology and Innovation
            *Data by: December 31, 20201
            < Items >
            Granted Patents
            ¥ 12.36
            < Billion >
            R&D Investment

            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

            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.
            Learn More