Since 1990
ZMI (Zeigner Manufacturing Industry) was founded in 1990 by a German-American engineer, Will Zeigner and his wife Sara Chow.
Early ZMI mainly produced automotive constant speed controller. After several years, the company transformed into a medical equipment and components supplier, focusing on providing OEM and ODM services for internationally renowned medical equipment brands. The products include electrotherapy, phototherapy, sonotherapy, hyperthermia, force therapy and other equipment and accessories commonly used in physical therapy. The clinical applications cover neurology, rehabilitation, orthopedics, homecare and personalized medicine.