Non-Invasive 4MHz Frequency Skin Rejuvenation Facial Lifting 9D Frozen HIFU Contouring Machine This 9D Frozen HIFU contouring machine combines semiconductor refrigeration with High-Intensity Focused Ultrasound (HIFU) to deliver precise, non-invasive skin lifting, tightening, and fat reduction across the face, neck, and body. With nine interchangeable probe depths and a 4MHz ultrasound frequency, it targets multiple subcutaneous layers while a built-in cooling system protects