About Us

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

ORIGIN of LONGi
History Story
1986
LONGi is named after the former president of Lanzhou University. In 1986, when Li Zhenguo and Zhong Baoshen had just enrolled, the formal opening ceremony of Lanzhou University was held before the statue of its president, Jiang Longji. His inspirational life story planted the seeds of a long-cherished dream in their hearts: We will name our company LONGi! LONGi represents a continuum of cultures and of education-driven technologies. LONGi represents a continuum of cultures and of education-driven technologies!
SEMICONDUCTOR ERA
Technical Innovation in the Semiconductor Sector.
2000
On Feb.14th,2000, Xi’an Xinmeng Electronic Technology Co., Ltd., the predecessor of LONGi, was established.
2002
Xi'an LONGi Silicon Technology Co., Ltd., was established.
2004
Xi'an Lumei Single Crystal Silicon Co., Ltd. was established.
2005
The first batch of 18 monocrystalline silicon furnaces began operations, with a production capacity of “device-level” mono silicon ingots up to 30 tons per year.
SILICON ERA
Lead in the new era of monocrystalline silicon wafer in the world!
2006
The 1,000 ton Mono Silicon Ingot Project (Phase I) of LONGi was completed in Ningxia.
2007
The company name was changed to Xi’an LONGi Silicon Materials Co., Ltd.
2008
Xi'an Tongxin Semiconductor Accessories Co., Ltd. was established.
2009
The 350MW Mono Silicon Wafer Project (Phase I) of LONGi was built.
2010
The Wuxi Project of LONGi (Phase I) was built, with a production capacity of mono silicon wafers up to 600 MW.
2011
The LONGi Research and Development Center was founded.
2012
LONGi was officially listed on the main board of the Shanghai Stock Exchange (stock code: SH601012). Production expansion was completed, with wafer production capacity growing to to 1 GW. The Ningxia Project of LONGi (Phase II) was built, with a production capacity of mono silicon ingots up to 8,000 tons.
2013
For the first time, LONGi’s annual wafer shipments exceeded 1 GW.
SOLAR TECHNOLOGY ERA
Marching towards the global leading solar technological company.
2014
Xi’an LONGi Clean Energy Co., Ltd., a subsidiary of LONGi, was officially established, marking LONGi’s formal entry into the EPC business of solar power plants. LONGi merged with Zhejiang LERRI Solar Technology Co., Ltd. and extended its business to the solar cell and module sector.
2015
Xi’an LONGi New Energy Co., Ltd. (formerly LERRI Solar Energy Co., Ltd.) was registered, and the company began to develop its distributed solar business.
2016
LONGi (Kuching) SDN. BHD., the first overseas production base, was founded. The LONGi Employer Brand was officially released. LONGi New Energy Division of the Thai subsidiary was established.
2018
Li Zhenguo, President of LONGi, proposed the “Solar for Solar” concept of PV power generation for PV products at the 24th U.N. Climate Change Conference, which attracted global attention.
2019
The rated power of the LONGi 72/144 half-cell module exceeded 450 W, setting a new world record.
2020
LONGi was designated as the “solar solution supplier” for the China Pavilion at EXPO 2020 Dubai, UAE. The company’s first building-integrated PV (BIPV) product — ‘LONGi Roof’ -- went into production. LONGi joined in the Climate Group’s RE100, EV100 and EP100 Initiatives as well as the Science Based Targets initiative, or SBTi.
PV+ HYDROGEN ERA
Green electricity makes green hydrogen.
2021
Xi'an LONGi Hydrogen Energy Technology Co., Ltd was established.
May 2021, The opening of LONGi Green Energy Exhibition hall
2022
Jan. 2022, LONGi and Xi'an Jiaotong University's technology cooperation received the attention of People's Daily
Feb. 2022, LONGi adds 54-cell module to its Hi-MO 5 product line
ORIGIN of LONGi
1986
SEMICONDUCTOR ERA
2000-2005
SILICON ERA
2006-2013
SOLAR TECHNOLOGY ERA
2014-2020
PV+ HYDROGEN ERA
2021-Nowadays
Innovation Lab