1. Excellent vibration resistance and fatigue resistance;
2. Automatic adjustment of the force applied on each bone joint of person on it, to relieve the sense of fatigue.
3. Volume resistance ≤108Ω㎝, thickness at 3. 5mm, 5mm, 10mm and 15mm; width at 1. 35 m and length at 10 m.
4. Service life not less than 2 years.