Innovation
Leading the solar industry through continuous technological innovation and R&D excellence.
Persistent Investment in R&D
LONGi has always believed that technology innovation is the core driver of cost reduction and efficiency improvement in the photovoltaic industry. We consistently invest approximately 5% of our annual revenue into research and development.
Our global R&D team consists of over 4,000 professional researchers and engineers, dedicating their efforts to pushing the boundaries of solar cell efficiency and exploring next-generation PV technologies.
Breaking World Records
Crystalline Silicon-Perovskite Tandem Solar Cell
Setting a new global benchmark for tandem cell efficiency, officially certified by NREL.
HBC Cell Efficiency
Breaking the world record for crystalline silicon heterojunction back-contact (HBC) solar cells.
World Records Since 2021
Continuously breaking efficiency records across various cell technologies including p-type, n-type, and tandem.