J9 is a medical technology company founded in 2013 and headquartered in Yulin, China. It focuses on physical rehabilitation solutions for women across the life course, with particular expertise in pelvic floor and postpartum care. The company describes itself as a high-tech enterprise and a national “Little Giant” specialist in China’s manufacturing sector.

Its product range includes biofeedback and stimulation systems, magnetic stimulation devices, ultrasound rehabilitation and diagnostic equipment, pelvic floor surface electromyography analysis systems, electronic vaginal examination scopes, and high-frequency assessment and electrosurgical devices. J9 also offers rehabilitation consumables, accessories, and health-management information systems. Its solutions serve clinical settings in obstetrics and gynecology, pelvic floor and reproductive rehabilitation, urology, colorectal care, and health screening.

Alongside its women’s health portfolio, the company is exploring non-invasive brain-computer interface applications for cognitive and motor rehabilitation, as well as mental and psychosomatic health. J9 supports healthcare providers with clinical solutions, product information, consultation, and service resources, and states a mission of creating a high-quality health experience through ongoing innovation.