Vibration power plate

we have patent on it, patent number: ZL 200720077235.6. It is CE/ROHS approval. This is the highest grade vibration equipment to use acceleration training to stimulate the bodys natural response to vibration, for professional athletes, gym, chiropractors, beauty therapist and weight loss clinics etc. Principle - Generate Vertical Vibration by Using 2 Quality AC Motors. - The Vertical Vibration from Plate Transfer to Your Body While You are on the Plate. - Muscle is stimulated by Vibration. - The Muscle is Repeated Contraction and Relaxation 20 55Hz. - Then the Stimulation is Maintained to Muscle, Muscle Keeps Staining. Features - Highly Quality 2 AC Powerful and Durable Motor. - Generates Vertical Vibration with up to 3.3kN. - Saves your time. - Multi-purposed Machine. - Easy to Operate. - From upper body to Lower Body and Massage Mode Posture. Specification - Product Size: 680 x 610 x 1320mm - Net Weight: 70kg - Preset Speed: 30 / 35 / 40 / 45 Hz - Speed Adjustment in Manual Mode: 1Hz - Time: 30-300sec - Control: Micro-Processor