Our company has been manufacturing world class ultrasonic hydrotherapy spa equipment for 16 years, Our product has received world class certifications from CSA(USA & Canada), CE (Europe) and DNV(Germany). It is also certified as a medical appliance by thailand&＃039;s health authority, and are currently being used in their governmental hospitals. The product is also backed by USD1,000,000 AIG insurance worldwide. All our research, development and marketing for our products are done under one roof. Grang Sun - Gravity In-l Co. is a looking for distributors for our revolutionary products.