About product and suppliers:
            268 interferential therapy products are offered for sale by suppliers on Alibaba.com, of which physical therapy equipments accounts for 85%, other massager products accounts for 4%. 

A wide variety of interferential therapy options are available to you, 

There are 261 suppliers who sells interferential therapy on Alibaba.com, mainly located in Asia. The top countries of suppliers are India, China, and India, from which the percentage of interferential therapy supply is 36%, 57%, and 36% respectively. 

Interferential therapy products are most popular in Germany, France, and Italy.