Grand-Spa automatic ultrasonic bubble washing machine three machines integrated natural gas bubble ultrasonic, ozone negative ions, transport infrared, [hydrotherapy] is the use of water temperature, buoyancy, pressure and flow to massage, relax, reduce pain Promote blood circulation, use bathing method with super oxygen, ultrasound, far infrared and negative ions, can create a healthy environment like natural forest bath, hot spring bath and waterfall bath, and achieve the purpose of health care, under the development of modern science and technology, water Therapy has become the most natural and healthy way for human beings in the 21st century.