Primary pressure: mainly used to prevent varicose veins, suitable for sedentary people, such as teachers, nurses, flight attendants, etc.
Secondary pressure: mainly used to treat superficial varicose veins, suitable for people with mild edema and fatigue in legs;
Grade III and above pressure: mainly used to treat moderate and deep varicose veins, mainly used for severe venous protrusion, pigmentation and edema in the legs. Or people who need rehabilitation before and after surgery.
Recommend Italy sanyleg, lab? Piazza imported elastic socks.