Calsion, headquartered in Hefei, China, is a national high-tech enterprise with a 33,000 m² integrated R&D, production, and testing facility. For over 30 years, it has been a leader in high-end emergency power systems, delivering critical power solutions worldwide. As a core strategic partner to MTU, Perkins, and Mitsubishi—with 21 years of dedicated collaboration with MTU—Calsion offers not only genset manufacturing but also full system integration and turnkey project delivery.With deep expertise and extensive project track records in the data center and semiconductor sectors, Calsion stands as a trusted partner for mission-critical facilities, ensuring uncompromised reliability in the most demanding environments.
Partner with Calsion, power your global success.

























