LONGi solar

The world’s leading solar technology company


LONGi leads the solar PV industry to new heights with product innovations and optimized power-cost ratio with breakthrough monocrystalline technologies. LONGi supplies more than 30GW of high-efficiency solar wafers and modules worldwide yearly, about a quarter of global market demand. LONGi is recognized as the world’s most valuable solar technology company with the highest market value. Innovation and sustainable development are two of LONGi’s core values.


  • Established in : 2000 Year
  • Total Assets: $14.206 Billion
  • Revenues : $8.416 Billion
  • Headquarters : Xi’an, Shaanxi, China
  • Shipment Scale : 58.15 GW
  • Proposed Capacity : Cell30GW Module50GW
  • Business: LONGi produces monocrystalline silicon wafers and modules, delivering solutions for distributed and ground mount power station systems, promoting the development of the global PV industry and driving energy transformation.
Brand Mission

Utilizing Solar Energy, Powering into Green World!
We are dedicated to maintaining our leadership in the manufacture of mono-crystalline silicon products, delivering higher efficiency to the global photovoltaic industry.
We are the loyal partner of the photovoltaic industry, creating greater value for the customers’ investment.
We are devoted to driving the development of the photovoltaic industry, powering into a green world for future generations.

Brand Strategy

Relying on LONGi Solar’s strong financial health, LONGi Solar will continue to invest more in technology R&D and low-LCOE solutions, leading to Win-Win, together with customers.

  • 1 st


    Taking the lead in setting the industry standards of M1, M2, Mono wafer

  • 24.06%


    Efficiency of P-type PERC reaches 24.06%, setting a new world record

  • 30 Y


    30-year Reliability

  • 22.38%


    Efficiency of  module reaches 22.38%, setting a new world record

As of Jan. 17, 2020
Milestone of LONGi Solar


Xi’an LONGi Silicon Materials Corps was established


LONGi’s wholly owned subsidiary - Ningxia
LONGi completed a silicon ingot facility with annual capacity of 1000 tons


Completion of a 350MW silicon slicing plant


LONGi’s successful IPO on the Shanghai Stock Exchange, China


Wafer shipment exceeded 2GW
Acquisition of LERRI Solar


Production capacity by the end of 2016:
ingot 7.5GW, Wafer 7.5GW, Cell 2.5GW, Module 5GW


Ingot 15GW
Wafer 15GW
Cell 5.5GW
Module 6.5GW


Module Shipment: 7.07GW

Module Capacity: >12GW


Bifacial Module Shipment: 3.0GW  

Module Capacity: 16GW

to be continued


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