Startorus Fusion
Updated: September 12, 2026
Chen Rui, founder and CEO
Country: China | Funding: CN¥2.4B (+)
Founded: 2021
Website: https://www.startorus.cn
Startorus Fusion is a commercial nuclear fusion company, building spherical tokamak device SUNIST-2 in collaboration with Tsinghua University. The spherical tokamak, as a compact tokamak device, is more economical in terms of funding and space utilization. Due to its design, it has a higher ratio of plasma pressure to magnetic field pressure. The company already completed its first operational run, achieving a plasma current of 100 kiloamperes. It is the strongest magnetic field and highest-performance spherical tokamak in China. The startup is targeting technical verification by 2028 and pilot plant by 2032.
Founded: 2021
Website: https://www.startorus.cn
Startorus Fusion is a commercial nuclear fusion company, building spherical tokamak device SUNIST-2 in collaboration with Tsinghua University. The spherical tokamak, as a compact tokamak device, is more economical in terms of funding and space utilization. Due to its design, it has a higher ratio of plasma pressure to magnetic field pressure. The company already completed its first operational run, achieving a plasma current of 100 kiloamperes. It is the strongest magnetic field and highest-performance spherical tokamak in China. The startup is targeting technical verification by 2028 and pilot plant by 2032.
